16813195

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 24583680

約数和(自身を除く): 7770485

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 193, 655, 665, 917, 965, 1351, 2489, 3667, 4585, 6755, 12445, 17423, 18335, 25283, 25669, 87115, 126415, 128345, 176981, 480377, 884905, 2401885, 3362639, 16813195]

約数ペア:

[(1, 16813195), (5, 3362639), (7, 2401885), (19, 884905), (35, 480377), (95, 176981), (131, 128345), (133, 126415), (193, 87115), (655, 25669), (665, 25283), (917, 18335), (965, 17423), (1351, 12445), (2489, 6755), (3667, 4585)]