19877589

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{32009}}^1$

素因数の和:32041

約数の個数: 16

約数和(自身を含む): 30729600

約数和(自身を除く): 10852011

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 32009, 96027, 288081, 736207, 864243, 2208621, 6625863, 19877589]

約数ペア:

[(1, 19877589), (3, 6625863), (9, 2208621), (23, 864243), (27, 736207), (69, 288081), (207, 96027), (621, 32009)]