18295081

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 22973280

約数和(自身を除く): 4678199

約数列:

[1, 7, 19, 43, 49, 133, 301, 457, 817, 931, 2107, 3199, 5719, 8683, 19651, 22393, 40033, 60781, 137557, 373369, 425467, 962899, 2613583, 18295081]

約数ペア:

[(1, 18295081), (7, 2613583), (19, 962899), (43, 425467), (49, 373369), (133, 137557), (301, 60781), (457, 40033), (817, 22393), (931, 19651), (2107, 8683), (3199, 5719)]