18734855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 23808000

約数和(自身を除く): 5073145

約数列:

[1, 5, 19, 95, 199, 991, 995, 3781, 4955, 18829, 18905, 94145, 197209, 986045, 3746971, 18734855]

約数ペア:

[(1, 18734855), (5, 3746971), (19, 986045), (95, 197209), (199, 94145), (991, 18905), (995, 18829), (3781, 4955)]