19668215

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4973}}^1$

素因数の和:5098

約数の個数: 16

約数和(自身を含む): 27217728

約数和(自身を除く): 7549513

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 4973, 24865, 34811, 174055, 561949, 2809745, 3933643, 19668215]

約数ペア:

[(1, 19668215), (5, 3933643), (7, 2809745), (35, 561949), (113, 174055), (565, 34811), (791, 24865), (3955, 4973)]