18586865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 26148096

約数和(自身を除く): 7561231

約数列:

[1, 5, 11, 17, 55, 85, 103, 187, 193, 515, 935, 965, 1133, 1751, 2123, 3281, 5665, 8755, 10615, 16405, 19261, 19879, 36091, 96305, 99395, 180455, 218669, 337943, 1093345, 1689715, 3717373, 18586865]

約数ペア:

[(1, 18586865), (5, 3717373), (11, 1689715), (17, 1093345), (55, 337943), (85, 218669), (103, 180455), (187, 99395), (193, 96305), (515, 36091), (935, 19879), (965, 19261), (1133, 16405), (1751, 10615), (2123, 8755), (3281, 5665)]