18509121

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{5233}}^1$

素因数の和:5373

約数の個数: 16

約数和(自身を含む): 27635520

約数和(自身を除く): 9126399

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 5233, 15699, 47097, 141291, 685523, 2056569, 6169707, 18509121]

約数ペア:

[(1, 18509121), (3, 6169707), (9, 2056569), (27, 685523), (131, 141291), (393, 47097), (1179, 15699), (3537, 5233)]