18969467

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 23207472

約数和(自身を除く): 4238005

約数列:

[1, 11, 17, 19, 187, 209, 281, 323, 361, 3091, 3553, 3971, 4777, 5339, 6137, 52547, 58729, 67507, 90763, 101441, 998393, 1115851, 1724497, 18969467]

約数ペア:

[(1, 18969467), (11, 1724497), (17, 1115851), (19, 998393), (187, 101441), (209, 90763), (281, 67507), (323, 58729), (361, 52547), (3091, 6137), (3553, 5339), (3971, 4777)]