18838161

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 28155816

約数和(自身を除く): 9317655

約数列:

[1, 3, 9, 53, 73, 159, 219, 477, 541, 657, 1623, 3869, 4869, 11607, 28673, 34821, 39493, 86019, 118479, 258057, 355437, 2093129, 6279387, 18838161]

約数ペア:

[(1, 18838161), (3, 6279387), (9, 2093129), (53, 355437), (73, 258057), (159, 118479), (219, 86019), (477, 39493), (541, 34821), (657, 28673), (1623, 11607), (3869, 4869)]