18482009

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 24243840

約数和(自身を除く): 5761831

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 919, 1183, 1547, 2873, 6433, 11947, 15623, 20111, 83629, 109361, 155311, 203099, 1087177, 1421693, 2640287, 18482009]

約数ペア:

[(1, 18482009), (7, 2640287), (13, 1421693), (17, 1087177), (91, 203099), (119, 155311), (169, 109361), (221, 83629), (919, 20111), (1183, 15623), (1547, 11947), (2873, 6433)]