19380310

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31771}}^1$

素因数の和:31839

約数の個数: 16

約数和(自身を含む): 35457552

約数和(自身を除く): 16077242

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 31771, 63542, 158855, 317710, 1938031, 3876062, 9690155, 19380310]

約数ペア:

[(1, 19380310), (2, 9690155), (5, 3876062), (10, 1938031), (61, 317710), (122, 158855), (305, 63542), (610, 31771)]