19958651

素因数分解:

${\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 12

約数和(自身を含む): 20936160

約数和(自身を除く): 977509

約数列:

[1, 37, 61, 239, 1369, 2257, 8843, 14579, 83509, 327191, 539423, 19958651]

約数ペア:

[(1, 19958651), (37, 539423), (61, 327191), (239, 83509), (1369, 14579), (2257, 8843)]