18253540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6967}}^1$

素因数の和:7107

約数の個数: 24

約数和(自身を含む): 38630592

約数和(自身を除く): 20377052

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6967, 13934, 27868, 34835, 69670, 139340, 912677, 1825354, 3650708, 4563385, 9126770, 18253540]

約数ペア:

[(1, 18253540), (2, 9126770), (4, 4563385), (5, 3650708), (10, 1825354), (20, 912677), (131, 139340), (262, 69670), (524, 34835), (655, 27868), (1310, 13934), (2620, 6967)]