18947646

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7573}}^1$

素因数の和:7720

約数の個数: 24

約数和(自身を含む): 41354040

約数和(自身を除く): 22406394

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7573, 15146, 22719, 45438, 68157, 136314, 1052647, 2105294, 3157941, 6315882, 9473823, 18947646]

約数ペア:

[(1, 18947646), (2, 9473823), (3, 6315882), (6, 3157941), (9, 2105294), (18, 1052647), (139, 136314), (278, 68157), (417, 45438), (834, 22719), (1251, 15146), (2502, 7573)]