18571960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42209}}^1$

素因数の和:42231

約数の個数: 32

約数和(自身を含む): 45586800

約数和(自身を除く): 27014840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42209, 84418, 168836, 211045, 337672, 422090, 464299, 844180, 928598, 1688360, 1857196, 2321495, 3714392, 4642990, 9285980, 18571960]

約数ペア:

[(1, 18571960), (2, 9285980), (4, 4642990), (5, 3714392), (8, 2321495), (10, 1857196), (11, 1688360), (20, 928598), (22, 844180), (40, 464299), (44, 422090), (55, 337672), (88, 211045), (110, 168836), (220, 84418), (440, 42209)]