18797912

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3259}}^1$

素因数の和:3375

約数の個数: 32

約数和(自身を含む): 40684800

約数和(自身を除く): 21886888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3259, 5768, 6518, 13036, 22813, 26072, 45626, 91252, 182504, 335677, 671354, 1342708, 2349739, 2685416, 4699478, 9398956, 18797912]

約数ペア:

[(1, 18797912), (2, 9398956), (4, 4699478), (7, 2685416), (8, 2349739), (14, 1342708), (28, 671354), (56, 335677), (103, 182504), (206, 91252), (412, 45626), (721, 26072), (824, 22813), (1442, 13036), (2884, 6518), (3259, 5768)]