18304881

素因数分解:

$3^1\times 7^3\times {\mathrm{17789}}^1$

素因数の和:17813

約数の個数: 16

約数和(自身を含む): 28464000

約数和(自身を除く): 10159119

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 17789, 53367, 124523, 373569, 871661, 2614983, 6101627, 18304881]

約数ペア:

[(1, 18304881), (3, 6101627), (7, 2614983), (21, 871661), (49, 373569), (147, 124523), (343, 53367), (1029, 17789)]