18588020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7681}}^1$

素因数の和:7712

約数の個数: 36

約数和(自身を含む): 42911652

約数和(自身を除く): 24323632

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7681, 15362, 30724, 38405, 76810, 84491, 153620, 168982, 337964, 422455, 844910, 929401, 1689820, 1858802, 3717604, 4647005, 9294010, 18588020]

約数ペア:

[(1, 18588020), (2, 9294010), (4, 4647005), (5, 3717604), (10, 1858802), (11, 1689820), (20, 929401), (22, 844910), (44, 422455), (55, 337964), (110, 168982), (121, 153620), (220, 84491), (242, 76810), (484, 38405), (605, 30724), (1210, 15362), (2420, 7681)]