19663505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1049}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 5133295

約数列:

[1, 5, 23, 115, 163, 815, 1049, 3749, 5245, 18745, 24127, 120635, 170987, 854935, 3932701, 19663505]

約数ペア:

[(1, 19663505), (5, 3932701), (23, 854935), (115, 170987), (163, 120635), (815, 24127), (1049, 18745), (3749, 5245)]