18026215

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 22407840

約数和(自身を除く): 4381625

約数列:

[1, 5, 37, 139, 185, 695, 701, 3505, 5143, 25715, 25937, 97439, 129685, 487195, 3605243, 18026215]

約数ペア:

[(1, 18026215), (5, 3605243), (37, 487195), (139, 129685), (185, 97439), (695, 25937), (701, 25715), (3505, 5143)]