19861767

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3359}}^1$

素因数の和:3444

約数の個数: 20

約数和(自身を含む): 30085440

約数和(自身を除く): 10223673

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3359, 5913, 10077, 30231, 90693, 245207, 272079, 735621, 2206863, 6620589, 19861767]

約数ペア:

[(1, 19861767), (3, 6620589), (9, 2206863), (27, 735621), (73, 272079), (81, 245207), (219, 90693), (657, 30231), (1971, 10077), (3359, 5913)]