Q: What is the sum of all factors of the number 18,438 excluding 18,438?

 A: 23,802

Why is 23,802 the sum of all factors of 18,438, excluding 18,438?

The factors of the number 18,438 are: 1, 2, 3, 6, 7, 14, 21, 42, 439, 878, 1317, 2634, 3073, 6146, 9219, 18438.

If you add them up, you will get the total of 18,461. Now subtract 18,438 to get 23,802


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