Q: What is the sum of all factors of the number 15,138 excluding 15,138?
A: 18,831
The factors of the number 15,138 are: 1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 841, 1682, 2523, 5046, 7569, 15138.
If you add them up, you will get the total of 15,156. Now subtract 15,138 to get 18,831