18730865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 24001920

約数和(自身を除く): 5271055

約数列:

[1, 5, 19, 71, 95, 355, 1349, 2777, 6745, 13885, 52763, 197167, 263815, 985835, 3746173, 18730865]

約数ペア:

[(1, 18730865), (5, 3746173), (19, 985835), (71, 263815), (95, 197167), (355, 52763), (1349, 13885), (2777, 6745)]