18814576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2017}}^1$

素因数の和:2089

約数の個数: 40

約数和(自身を含む): 40537584

約数和(自身を除く): 21723008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2017, 2332, 4034, 4664, 8068, 9328, 16136, 22187, 32272, 44374, 88748, 106901, 177496, 213802, 354992, 427604, 855208, 1175911, 1710416, 2351822, 4703644, 9407288, 18814576]

約数ペア:

[(1, 18814576), (2, 9407288), (4, 4703644), (8, 2351822), (11, 1710416), (16, 1175911), (22, 855208), (44, 427604), (53, 354992), (88, 213802), (106, 177496), (176, 106901), (212, 88748), (424, 44374), (583, 32272), (848, 22187), (1166, 16136), (2017, 9328), (2332, 8068), (4034, 4664)]