18379521

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{16603}}^1$

素因数の和:16653

約数の個数: 16

約数和(自身を含む): 27894720

約数和(自身を除く): 9515199

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 16603, 49809, 149427, 448281, 680723, 2042169, 6126507, 18379521]

約数ペア:

[(1, 18379521), (3, 6126507), (9, 2042169), (27, 680723), (41, 448281), (123, 149427), (369, 49809), (1107, 16603)]