18831967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1229}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 23616000

約数和(自身を除く): 4784033

約数列:

[1, 7, 11, 77, 199, 1229, 1393, 2189, 8603, 13519, 15323, 94633, 244571, 1711997, 2690281, 18831967]

約数ペア:

[(1, 18831967), (7, 2690281), (11, 1711997), (77, 244571), (199, 94633), (1229, 15323), (1393, 13519), (2189, 8603)]