19828491

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 26901504

約数和(自身を除く): 7073013

約数列:

[1, 3, 107, 223, 277, 321, 669, 831, 23861, 29639, 61771, 71583, 88917, 185313, 6609497, 19828491]

約数ペア:

[(1, 19828491), (3, 6609497), (107, 185313), (223, 88917), (277, 71583), (321, 61771), (669, 29639), (831, 23861)]