19643499

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10247}}^1$

素因数の和:10327

約数の個数: 16

約数和(自身を含む): 29514240

約数和(自身を除く): 9870741

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10247, 30741, 92223, 276669, 727537, 2182611, 6547833, 19643499]

約数ペア:

[(1, 19643499), (3, 6547833), (9, 2182611), (27, 727537), (71, 276669), (213, 92223), (639, 30741), (1917, 10247)]