18546689

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 22081920

約数和(自身を除く): 3535231

約数列:

[1, 7, 29, 203, 211, 433, 1477, 3031, 6119, 12557, 42833, 87899, 91363, 639541, 2649527, 18546689]

約数ペア:

[(1, 18546689), (7, 2649527), (29, 639541), (203, 91363), (211, 87899), (433, 42833), (1477, 12557), (3031, 6119)]