19477827

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7757}}^1$

素因数の和:7800

約数の個数: 20

約数和(自身を含む): 30038976

約数和(自身を除く): 10561149

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7757, 23271, 69813, 209439, 240467, 628317, 721401, 2164203, 6492609, 19477827]

約数ペア:

[(1, 19477827), (3, 6492609), (9, 2164203), (27, 721401), (31, 628317), (81, 240467), (93, 209439), (279, 69813), (837, 23271), (2511, 7757)]