19985691

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{55057}}^1$

素因数の和:55082

約数の個数: 12

約数和(自身を含む): 29290856

約数和(自身を除く): 9305165

約数列:

[1, 3, 11, 33, 121, 363, 55057, 165171, 605627, 1816881, 6661897, 19985691]

約数ペア:

[(1, 19985691), (3, 6661897), (11, 1816881), (33, 605627), (121, 165171), (363, 55057)]