19420165

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3593}}^1$

素因数の和:3668

約数の個数: 16

約数和(自身を含む): 24841728

約数和(自身を除く): 5421563

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3593, 5405, 17965, 82639, 168871, 413195, 844355, 3884033, 19420165]

約数ペア:

[(1, 19420165), (5, 3884033), (23, 844355), (47, 413195), (115, 168871), (235, 82639), (1081, 17965), (3593, 5405)]