18968943

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8287}}^1$

素因数の和:8406

約数の個数: 16

約数和(自身を含む): 29173760

約数和(自身を除く): 10204817

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8287, 24861, 58009, 174027, 903283, 2709849, 6322981, 18968943]

約数ペア:

[(1, 18968943), (3, 6322981), (7, 2709849), (21, 903283), (109, 174027), (327, 58009), (763, 24861), (2289, 8287)]