18774441

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1279}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 31150080

約数和(自身を除く): 12375639

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1279, 1631, 2097, 3837, 4893, 8953, 11511, 14679, 26859, 80577, 298007, 894021, 2086049, 2682063, 6258147, 18774441]

約数ペア:

[(1, 18774441), (3, 6258147), (7, 2682063), (9, 2086049), (21, 894021), (63, 298007), (233, 80577), (699, 26859), (1279, 14679), (1631, 11511), (2097, 8953), (3837, 4893)]