18217615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9041}}^1$

素因数の和:9090

約数の個数: 16

約数和(自身を含む): 24304896

約数和(自身を除く): 6087281

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9041, 45205, 117533, 280271, 587665, 1401355, 3643523, 18217615]

約数ペア:

[(1, 18217615), (5, 3643523), (13, 1401355), (31, 587665), (65, 280271), (155, 117533), (403, 45205), (2015, 9041)]