19426187

素因数分解:

${\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1090

約数の個数: 12

約数和(自身を含む): 21494928

約数和(自身を除く): 2068741

約数列:

[1, 11, 121, 181, 887, 1991, 9757, 21901, 107327, 160547, 1766017, 19426187]

約数ペア:

[(1, 19426187), (11, 1766017), (121, 160547), (181, 107327), (887, 21901), (1991, 9757)]