18109916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{411589}}^1$

素因数の和:411604

約数の個数: 12

約数和(自身を含む): 34573560

約数和(自身を除く): 16463644

約数列:

[1, 2, 4, 11, 22, 44, 411589, 823178, 1646356, 4527479, 9054958, 18109916]

約数ペア:

[(1, 18109916), (2, 9054958), (4, 4527479), (11, 1646356), (22, 823178), (44, 411589)]