17998220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8737}}^1$

素因数の和:8849

約数の個数: 24

約数和(自身を含む): 38167584

約数和(自身を除く): 20169364

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8737, 17474, 34948, 43685, 87370, 174740, 899911, 1799822, 3599644, 4499555, 8999110, 17998220]

約数ペア:

[(1, 17998220), (2, 8999110), (4, 4499555), (5, 3599644), (10, 1799822), (20, 899911), (103, 174740), (206, 87370), (412, 43685), (515, 34948), (1030, 17474), (2060, 8737)]