18138789

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29209}}^1$

素因数の和:29241

約数の個数: 16

約数和(自身を含む): 28041600

約数和(自身を除く): 9902811

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 29209, 87627, 262881, 671807, 788643, 2015421, 6046263, 18138789]

約数ペア:

[(1, 18138789), (3, 6046263), (9, 2015421), (23, 788643), (27, 671807), (69, 262881), (207, 87627), (621, 29209)]