19749771

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17011}}^1$

素因数の和:17063

約数の個数: 16

約数和(自身を含む): 29941120

約数和(自身を除く): 10191349

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17011, 51033, 153099, 459297, 731473, 2194419, 6583257, 19749771]

約数ペア:

[(1, 19749771), (3, 6583257), (9, 2194419), (27, 731473), (43, 459297), (129, 153099), (387, 51033), (1161, 17011)]