19876655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{617}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 25362720

約数和(自身を除く): 5486065

約数列:

[1, 5, 17, 85, 379, 617, 1895, 3085, 6443, 10489, 32215, 52445, 233843, 1169215, 3975331, 19876655]

約数ペア:

[(1, 19876655), (5, 3975331), (17, 1169215), (85, 233843), (379, 52445), (617, 32215), (1895, 10489), (3085, 6443)]