18389608

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21089}}^1$

素因数の和:21204

約数の個数: 16

約数和(自身を含む): 34798500

約数和(自身を除く): 16408892

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21089, 42178, 84356, 168712, 2298701, 4597402, 9194804, 18389608]

約数ペア:

[(1, 18389608), (2, 9194804), (4, 4597402), (8, 2298701), (109, 168712), (218, 84356), (436, 42178), (872, 21089)]