19702445

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5261}}^1$

素因数の和:5380

約数の個数: 16

約数和(自身を含む): 27278208

約数和(自身を除く): 7575763

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 5261, 26305, 36827, 184135, 562927, 2814635, 3940489, 19702445]

約数ペア:

[(1, 19702445), (5, 3940489), (7, 2814635), (35, 562927), (107, 184135), (535, 36827), (749, 26305), (3745, 5261)]