19888767

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{32027}}^1$

素因数の和:32059

約数の個数: 16

約数和(自身を含む): 30746880

約数和(自身を除く): 10858113

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 32027, 96081, 288243, 736621, 864729, 2209863, 6629589, 19888767]

約数ペア:

[(1, 19888767), (3, 6629589), (9, 2209863), (23, 864729), (27, 736621), (69, 288243), (207, 96081), (621, 32027)]