Q: What is the sum of all factors of the number 15,428 excluding 15,428?

A: 18,172

Why is 18,172 the sum of all factors of 15,428, excluding 15,428?

The factors of the number 15,428 are: 1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 2204, 3857, 7714, 15428.

If you add them up, you will get the total of 15,446. Now subtract 15,428 to get 18,172

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