19807333

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 24492160

約数和(自身を除く): 4684827

約数列:

[1, 7, 13, 91, 307, 709, 2149, 3991, 4963, 9217, 27937, 64519, 217663, 1523641, 2829619, 19807333]

約数ペア:

[(1, 19807333), (7, 2829619), (13, 1523641), (91, 217663), (307, 64519), (709, 27937), (2149, 9217), (3991, 4963)]