18597439

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 23430240

約数和(自身を除く): 4832801

約数列:

[1, 7, 17, 29, 119, 203, 289, 317, 493, 2023, 2219, 3451, 5389, 8381, 9193, 37723, 58667, 64351, 91613, 156281, 641291, 1093967, 2656777, 18597439]

約数ペア:

[(1, 18597439), (7, 2656777), (17, 1093967), (29, 641291), (119, 156281), (203, 91613), (289, 64351), (317, 58667), (493, 37723), (2023, 9193), (2219, 8381), (3451, 5389)]