18155380

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1103}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 38207232

約数和(自身を除く): 20051852

約数列:

[1, 2, 4, 5, 10, 20, 823, 1103, 1646, 2206, 3292, 4115, 4412, 5515, 8230, 11030, 16460, 22060, 907769, 1815538, 3631076, 4538845, 9077690, 18155380]

約数ペア:

[(1, 18155380), (2, 9077690), (4, 4538845), (5, 3631076), (10, 1815538), (20, 907769), (823, 22060), (1103, 16460), (1646, 11030), (2206, 8230), (3292, 5515), (4115, 4412)]