18841390

素因数分解:

$2^1\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1609}}^1$

素因数の和:2787

約数の個数: 16

約数和(自身を含む): 33964560

約数和(自身を除く): 15123170

約数列:

[1, 2, 5, 10, 1171, 1609, 2342, 3218, 5855, 8045, 11710, 16090, 1884139, 3768278, 9420695, 18841390]

約数ペア:

[(1, 18841390), (2, 9420695), (5, 3768278), (10, 1884139), (1171, 16090), (1609, 11710), (2342, 8045), (3218, 5855)]