18725828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2017}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 35936544

約数和(自身を除く): 17210716

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2017, 2321, 4034, 4642, 8068, 9284, 22187, 44374, 88748, 425587, 851174, 1702348, 4681457, 9362914, 18725828]

約数ペア:

[(1, 18725828), (2, 9362914), (4, 4681457), (11, 1702348), (22, 851174), (44, 425587), (211, 88748), (422, 44374), (844, 22187), (2017, 9284), (2321, 8068), (4034, 4642)]