18045455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4241}}^1$

素因数の和:4306

約数の個数: 16

約数和(自身を含む): 23212224

約数和(自身を除く): 5166769

約数列:

[1, 5, 23, 37, 115, 185, 851, 4241, 4255, 21205, 97543, 156917, 487715, 784585, 3609091, 18045455]

約数ペア:

[(1, 18045455), (5, 3609091), (23, 784585), (37, 487715), (115, 156917), (185, 97543), (851, 21205), (4241, 4255)]