Q: What is the sum of all factors of the number 18,513 excluding 18,513?
A: 12,609
The factors of the number 18,513 are: 1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1683, 2057, 6171, 18513.
If you add them up, you will get the total of 18,525. Now subtract 18,513 to get 12,609