19540939

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 3320501

約数列:

[1, 11, 17, 83, 187, 913, 1259, 1411, 13849, 15521, 21403, 104497, 235433, 1149467, 1776449, 19540939]

約数ペア:

[(1, 19540939), (11, 1776449), (17, 1149467), (83, 235433), (187, 104497), (913, 21403), (1259, 15521), (1411, 13849)]