18638433

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2579}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 29783520

約数和(自身を除く): 11145087

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2579, 7227, 7737, 23211, 28369, 85107, 188267, 255321, 564801, 1694403, 2070937, 6212811, 18638433]

約数ペア:

[(1, 18638433), (3, 6212811), (9, 2070937), (11, 1694403), (33, 564801), (73, 255321), (99, 188267), (219, 85107), (657, 28369), (803, 23211), (2409, 7737), (2579, 7227)]