18665145

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4027}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 32675136

約数和(自身を除く): 14009991

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4027, 4635, 12081, 20135, 36243, 60405, 181215, 414781, 1244343, 2073905, 3733029, 6221715, 18665145]

約数ペア:

[(1, 18665145), (3, 6221715), (5, 3733029), (9, 2073905), (15, 1244343), (45, 414781), (103, 181215), (309, 60405), (515, 36243), (927, 20135), (1545, 12081), (4027, 4635)]