19082709

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10243}}^1$

素因数の和:10278

約数の個数: 20

約数和(自身を含む): 29748576

約数和(自身を除く): 10665867

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10243, 30729, 92187, 235589, 276561, 706767, 829683, 2120301, 6360903, 19082709]

約数ペア:

[(1, 19082709), (3, 6360903), (9, 2120301), (23, 829683), (27, 706767), (69, 276561), (81, 235589), (207, 92187), (621, 30729), (1863, 10243)]