18680710

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8377}}^1$

素因数の和:8607

約数の個数: 16

約数和(自身を含む): 33780096

約数和(自身を除く): 15099386

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 8377, 16754, 41885, 83770, 1868071, 3736142, 9340355, 18680710]

約数ペア:

[(1, 18680710), (2, 9340355), (5, 3736142), (10, 1868071), (223, 83770), (446, 41885), (1115, 16754), (2230, 8377)]