18418749

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 25496064

約数和(自身を除く): 7077315

約数列:

[1, 3, 43, 71, 129, 213, 2011, 3053, 6033, 9159, 86473, 142781, 259419, 428343, 6139583, 18418749]

約数ペア:

[(1, 18418749), (3, 6139583), (43, 428343), (71, 259419), (129, 142781), (213, 86473), (2011, 9159), (3053, 6033)]