20161521851

素因数分解:

${\mathrm{19}}^2\times {\mathrm{3163}}^1\times {\mathrm{17657}}^1$

素因数の和:20858

約数の個数: 12

約数和(自身を含む): 21286436472

約数和(自身を除く): 1124914621

約数列:

[1, 19, 361, 3163, 17657, 60097, 335483, 1141843, 6374177, 55849091, 1061132729, 20161521851]

約数ペア:

[(1, 20161521851), (19, 1061132729), (361, 55849091), (3163, 6374177), (17657, 1141843), (60097, 335483)]