19895045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{907}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 24712128

約数和(自身を除く): 4817083

約数列:

[1, 5, 41, 107, 205, 535, 907, 4387, 4535, 21935, 37187, 97049, 185935, 485245, 3979009, 19895045]

約数ペア:

[(1, 19895045), (5, 3979009), (41, 485245), (107, 185935), (205, 97049), (535, 37187), (907, 21935), (4387, 4535)]