19421842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5623}}^1$

素因数の和:5793

約数の個数: 16

約数和(自身を含む): 31989312

約数和(自身を除く): 12567470

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5623, 11246, 61853, 123706, 882811, 1765622, 9710921, 19421842]

約数ペア:

[(1, 19421842), (2, 9710921), (11, 1765622), (22, 882811), (157, 123706), (314, 61853), (1727, 11246), (3454, 5623)]