18481581

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29761}}^1$

素因数の和:29793

約数の個数: 16

約数和(自身を含む): 28571520

約数和(自身を除く): 10089939

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 29761, 89283, 267849, 684503, 803547, 2053509, 6160527, 18481581]

約数ペア:

[(1, 18481581), (3, 6160527), (9, 2053509), (23, 803547), (27, 684503), (69, 267849), (207, 89283), (621, 29761)]