19887752059

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{13092661}}^1$

素因数の和:13092706

約数の個数: 12

約数和(自身を含む): 23881015488

約数和(自身を除く): 3993263429

約数列:

[1, 7, 31, 49, 217, 1519, 13092661, 91648627, 405872491, 641540389, 2841107437, 19887752059]

約数ペア:

[(1, 19887752059), (7, 2841107437), (31, 641540389), (49, 405872491), (217, 91648627), (1519, 13092661)]