Q: What is the sum of all factors of the number 19,369,620 excluding 19,369,620?

A: 39,385,440

Why is 39,385,440 the sum of all factors of 19,369,620, excluding 19,369,620?

The factors of the number 19,369,620 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 107609, 215218, 322827, 430436, 538045, 645654, 968481, 1076090, 1291308, 1614135, 1936962, 2152180, 3228270, 3873924, 4842405, 6456540, 9684810, 19369620.

If you add them up, you will get the total of 19,369,659. Now subtract 19,369,620 to get 39,385,440