17842220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81101}}^1$

素因数の和:81121

約数の個数: 24

約数和(自身を含む): 40875408

約数和(自身を除く): 23033188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81101, 162202, 324404, 405505, 811010, 892111, 1622020, 1784222, 3568444, 4460555, 8921110, 17842220]

約数ペア:

[(1, 17842220), (2, 8921110), (4, 4460555), (5, 3568444), (10, 1784222), (11, 1622020), (20, 892111), (22, 811010), (44, 405505), (55, 324404), (110, 162202), (220, 81101)]