18125140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82387}}^1$

素因数の和:82407

約数の個数: 24

約数和(自身を含む): 41523552

約数和(自身を除く): 23398412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82387, 164774, 329548, 411935, 823870, 906257, 1647740, 1812514, 3625028, 4531285, 9062570, 18125140]

約数ペア:

[(1, 18125140), (2, 9062570), (4, 4531285), (5, 3625028), (10, 1812514), (11, 1647740), (20, 906257), (22, 823870), (44, 411935), (55, 329548), (110, 164774), (220, 82387)]