19788111

素因数分解:

$3^3\times 7^2\times {\mathrm{14957}}^1$

素因数の和:14980

約数の個数: 24

約数和(自身を含む): 34104240

約数和(自身を除く): 14316129

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14957, 44871, 104699, 134613, 314097, 403839, 732893, 942291, 2198679, 2826873, 6596037, 19788111]

約数ペア:

[(1, 19788111), (3, 6596037), (7, 2826873), (9, 2198679), (21, 942291), (27, 732893), (49, 403839), (63, 314097), (147, 134613), (189, 104699), (441, 44871), (1323, 14957)]