20171906876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{40813}}^1$

素因数の和:41114

約数の個数: 48

約数和(自身を含む): 39494891520

約数和(自身を除く): 19322984644

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 239, 478, 517, 956, 1034, 2068, 2629, 5258, 10516, 11233, 22466, 40813, 44932, 81626, 123563, 163252, 247126, 448943, 494252, 897886, 1795772, 1918211, 3836422, 7672844, 9754307, 19508614, 21100321, 39017228, 42200642, 84401284, 107297377, 214594754, 429189508, 458452429, 916904858, 1833809716, 5042976719, 10085953438, 20171906876]

約数ペア:

[(1, 20171906876), (2, 10085953438), (4, 5042976719), (11, 1833809716), (22, 916904858), (44, 458452429), (47, 429189508), (94, 214594754), (188, 107297377), (239, 84401284), (478, 42200642), (517, 39017228), (956, 21100321), (1034, 19508614), (2068, 9754307), (2629, 7672844), (5258, 3836422), (10516, 1918211), (11233, 1795772), (22466, 897886), (40813, 494252), (44932, 448943), (81626, 247126), (123563, 163252)]