19904399

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 21919392

約数和(自身を除く): 2014993

約数列:

[1, 17, 43, 73, 373, 731, 1241, 3139, 6341, 16039, 27229, 53363, 272663, 462893, 1170847, 19904399]

約数ペア:

[(1, 19904399), (17, 1170847), (43, 462893), (73, 272663), (373, 53363), (731, 27229), (1241, 16039), (3139, 6341)]