18228730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140221}}^1$

素因数の和:140241

約数の個数: 16

約数和(自身を含む): 35335944

約数和(自身を除く): 17107214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 140221, 280442, 701105, 1402210, 1822873, 3645746, 9114365, 18228730]

約数ペア:

[(1, 18228730), (2, 9114365), (5, 3645746), (10, 1822873), (13, 1402210), (26, 701105), (65, 280442), (130, 140221)]