18822220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9137}}^1$

素因数の和:9249

約数の個数: 24

約数和(自身を含む): 39914784

約数和(自身を除く): 21092564

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9137, 18274, 36548, 45685, 91370, 182740, 941111, 1882222, 3764444, 4705555, 9411110, 18822220]

約数ペア:

[(1, 18822220), (2, 9411110), (4, 4705555), (5, 3764444), (10, 1882222), (20, 941111), (103, 182740), (206, 91370), (412, 45685), (515, 36548), (1030, 18274), (2060, 9137)]