18873087

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6361}}^1$

素因数の和:6430

約数の個数: 16

約数和(自身を含む): 26873088

約数和(自身を除く): 8000001

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6361, 19083, 146303, 273523, 438909, 820569, 6291029, 18873087]

約数ペア:

[(1, 18873087), (3, 6291029), (23, 820569), (43, 438909), (69, 273523), (129, 146303), (989, 19083), (2967, 6361)]