18415481

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 21715584

約数和(自身を除く): 3300103

約数列:

[1, 7, 43, 193, 301, 317, 1351, 2219, 8299, 13631, 58093, 61181, 95417, 428267, 2630783, 18415481]

約数ペア:

[(1, 18415481), (7, 2630783), (43, 428267), (193, 95417), (301, 61181), (317, 58093), (1351, 13631), (2219, 8299)]