19538321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 22742208

約数和(自身を除く): 3203887

約数列:

[1, 11, 17, 163, 187, 641, 1793, 2771, 7051, 10897, 30481, 104483, 119867, 1149313, 1776211, 19538321]

約数ペア:

[(1, 19538321), (11, 1776211), (17, 1149313), (163, 119867), (187, 104483), (641, 30481), (1793, 10897), (2771, 7051)]