18688478

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3667

約数の個数: 16

約数和(自身を含む): 29204064

約数和(自身を除く): 10515586

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3557, 5254, 7114, 131609, 252547, 263218, 505094, 9344239, 18688478]

約数ペア:

[(1, 18688478), (2, 9344239), (37, 505094), (71, 263218), (74, 252547), (142, 131609), (2627, 7114), (3557, 5254)]