19996372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1373}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 38318112

約数和(自身を除く): 18321740

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1373, 2746, 3641, 5492, 7282, 14564, 15103, 30206, 60412, 454463, 908926, 1817852, 4999093, 9998186, 19996372]

約数ペア:

[(1, 19996372), (2, 9998186), (4, 4999093), (11, 1817852), (22, 908926), (44, 454463), (331, 60412), (662, 30206), (1324, 15103), (1373, 14564), (2746, 7282), (3641, 5492)]