18722660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85103}}^1$

素因数の和:85123

約数の個数: 24

約数和(自身を含む): 42892416

約数和(自身を除く): 24169756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85103, 170206, 340412, 425515, 851030, 936133, 1702060, 1872266, 3744532, 4680665, 9361330, 18722660]

約数ペア:

[(1, 18722660), (2, 9361330), (4, 4680665), (5, 3744532), (10, 1872266), (11, 1702060), (20, 936133), (22, 851030), (44, 425515), (55, 340412), (110, 170206), (220, 85103)]