18711738

素因数分解:

$2^1\times 3^2\times {\mathrm{857}}^1\times {\mathrm{1213}}^1$

素因数の和:2078

約数の個数: 24

約数和(自身を含む): 40622868

約数和(自身を除く): 21911130

約数列:

[1, 2, 3, 6, 9, 18, 857, 1213, 1714, 2426, 2571, 3639, 5142, 7278, 7713, 10917, 15426, 21834, 1039541, 2079082, 3118623, 6237246, 9355869, 18711738]

約数ペア:

[(1, 18711738), (2, 9355869), (3, 6237246), (6, 3118623), (9, 2079082), (18, 1039541), (857, 21834), (1213, 15426), (1714, 10917), (2426, 7713), (2571, 7278), (3639, 5142)]