18321740

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3833}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 20324980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 3833, 4780, 7666, 15332, 19165, 38330, 76660, 916087, 1832174, 3664348, 4580435, 9160870, 18321740]

約数ペア:

[(1, 18321740), (2, 9160870), (4, 4580435), (5, 3664348), (10, 1832174), (20, 916087), (239, 76660), (478, 38330), (956, 19165), (1195, 15332), (2390, 7666), (3833, 4780)]