19779794

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2213}}^1$

素因数の和:2365

約数の個数: 16

約数和(自身を含む): 30686040

約数和(自身を除く): 10906246

約数列:

[1, 2, 41, 82, 109, 218, 2213, 4426, 4469, 8938, 90733, 181466, 241217, 482434, 9889897, 19779794]

約数ペア:

[(1, 19779794), (2, 9889897), (41, 482434), (82, 241217), (109, 181466), (218, 90733), (2213, 8938), (4426, 4469)]