18805865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{829}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 24402000

約数和(自身を除く): 5596135

約数列:

[1, 5, 13, 65, 349, 829, 1745, 4145, 4537, 10777, 22685, 53885, 289321, 1446605, 3761173, 18805865]

約数ペア:

[(1, 18805865), (5, 3761173), (13, 1446605), (65, 289321), (349, 53885), (829, 22685), (1745, 10777), (4145, 4537)]