18820660

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2843}}^1$

素因数の和:3183

約数の個数: 24

約数和(自身を含む): 39656736

約数和(自身を除く): 20836076

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2843, 3310, 5686, 6620, 11372, 14215, 28430, 56860, 941033, 1882066, 3764132, 4705165, 9410330, 18820660]

約数ペア:

[(1, 18820660), (2, 9410330), (4, 4705165), (5, 3764132), (10, 1882066), (20, 941033), (331, 56860), (662, 28430), (1324, 14215), (1655, 11372), (2843, 6620), (3310, 5686)]