18837507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6803}}^1$

素因数の和:6890

約数の個数: 16

約数和(自身を含む): 27433728

約数和(自身を除く): 8596221

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 6803, 20409, 88439, 265317, 483013, 1449039, 6279169, 18837507]

約数ペア:

[(1, 18837507), (3, 6279169), (13, 1449039), (39, 483013), (71, 265317), (213, 88439), (923, 20409), (2769, 6803)]