18172220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82601}}^1$

素因数の和:82621

約数の個数: 24

約数和(自身を含む): 41631408

約数和(自身を除く): 23459188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82601, 165202, 330404, 413005, 826010, 908611, 1652020, 1817222, 3634444, 4543055, 9086110, 18172220]

約数ペア:

[(1, 18172220), (2, 9086110), (4, 4543055), (5, 3634444), (10, 1817222), (11, 1652020), (20, 908611), (22, 826010), (44, 413005), (55, 330404), (110, 165202), (220, 82601)]