18891035

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6857}}^1$

素因数の和:6910

約数の個数: 16

約数和(自身を含む): 24688800

約数和(自身を除く): 5797765

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 6857, 34285, 130283, 198853, 651415, 994265, 3778207, 18891035]

約数ペア:

[(1, 18891035), (5, 3778207), (19, 994265), (29, 651415), (95, 198853), (145, 130283), (551, 34285), (2755, 6857)]