19247463

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{811}}^1$

素因数の和:1116

約数の個数: 20

約数和(自身を含む): 28886088

約数和(自身を除く): 9638625

約数列:

[1, 3, 9, 27, 81, 293, 811, 879, 2433, 2637, 7299, 7911, 21897, 23733, 65691, 237623, 712869, 2138607, 6415821, 19247463]

約数ペア:

[(1, 19247463), (3, 6415821), (9, 2138607), (27, 712869), (81, 237623), (293, 65691), (811, 23733), (879, 21897), (2433, 7911), (2637, 7299)]