Q: What is the sum of all factors of the number 18,270 excluding 18,270?

A: 37,890

Why is 37,890 the sum of all factors of 18,270, excluding 18,270?

The factors of the number 18,270 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 63, 70, 87, 90, 105, 126, 145, 174, 203, 210, 261, 290, 315, 406, 435, 522, 609, 630, 870, 1015, 1218, 1305, 1827, 2030, 2610, 3045, 3654, 6090, 9135, 18270.

If you add them up, you will get the total of 18,307. Now subtract 18,270 to get 37,890