18571970879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3954007}}^1$

素因数の和:3954086

約数の個数: 16

約数和(自身を含む): 23534255616

約数和(自身を除く): 4962284737

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 3954007, 27678049, 43494077, 241194427, 304458539, 1688360989, 2653138697, 18571970879]

約数ペア:

[(1, 18571970879), (7, 2653138697), (11, 1688360989), (61, 304458539), (77, 241194427), (427, 43494077), (671, 27678049), (4697, 3954007)]