19498424

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20143}}^1$

素因数の和:20171

約数の個数: 24

約数和(自身を含む): 40187280

約数和(自身を除く): 20688856

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20143, 40286, 80572, 161144, 221573, 443146, 886292, 1772584, 2437303, 4874606, 9749212, 19498424]

約数ペア:

[(1, 19498424), (2, 9749212), (4, 4874606), (8, 2437303), (11, 1772584), (22, 886292), (44, 443146), (88, 221573), (121, 161144), (242, 80572), (484, 40286), (968, 20143)]