19732521

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 27171648

約数和(自身を除く): 7439127

約数列:

[1, 3, 41, 123, 137, 411, 1171, 3513, 5617, 16851, 48011, 144033, 160427, 481281, 6577507, 19732521]

約数ペア:

[(1, 19732521), (3, 6577507), (41, 481281), (123, 160427), (137, 144033), (411, 48011), (1171, 16851), (3513, 5617)]