18147580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7499}}^1$

素因数の和:7530

約数の個数: 36

約数和(自身を含む): 41895000

約数和(自身を除く): 23747420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7499, 14998, 29996, 37495, 74990, 82489, 149980, 164978, 329956, 412445, 824890, 907379, 1649780, 1814758, 3629516, 4536895, 9073790, 18147580]

約数ペア:

[(1, 18147580), (2, 9073790), (4, 4536895), (5, 3629516), (10, 1814758), (11, 1649780), (20, 907379), (22, 824890), (44, 412445), (55, 329956), (110, 164978), (121, 149980), (220, 82489), (242, 74990), (484, 37495), (605, 29996), (1210, 14998), (2420, 7499)]