18147205

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 22514544

約数和(自身を除く): 4367339

約数列:

[1, 5, 37, 185, 233, 421, 1165, 2105, 8621, 15577, 43105, 77885, 98093, 490465, 3629441, 18147205]

約数ペア:

[(1, 18147205), (5, 3629441), (37, 490465), (185, 98093), (233, 77885), (421, 43105), (1165, 15577), (2105, 8621)]