18809416

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3557}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 35330940

約数和(自身を除く): 16521524

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3557, 5288, 7114, 14228, 28456, 2351177, 4702354, 9404708, 18809416]

約数ペア:

[(1, 18809416), (2, 9404708), (4, 4702354), (8, 2351177), (661, 28456), (1322, 14228), (2644, 7114), (3557, 5288)]