19055493

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5471}}^1$

素因数の和:5526

約数の個数: 20

約数和(自身を含む): 29132928

約数和(自身を除く): 10077435

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5471, 16413, 49239, 147717, 235253, 443151, 705759, 2117277, 6351831, 19055493]

約数ペア:

[(1, 19055493), (3, 6351831), (9, 2117277), (27, 705759), (43, 443151), (81, 235253), (129, 147717), (387, 49239), (1161, 16413), (3483, 5471)]