19990644

素因数分解:

$2^2\times 3^1\times {\mathrm{251}}^1\times {\mathrm{6637}}^1$

素因数の和:6895

約数の個数: 24

約数和(自身を含む): 46837728

約数和(自身を除く): 26847084

約数列:

[1, 2, 3, 4, 6, 12, 251, 502, 753, 1004, 1506, 3012, 6637, 13274, 19911, 26548, 39822, 79644, 1665887, 3331774, 4997661, 6663548, 9995322, 19990644]

約数ペア:

[(1, 19990644), (2, 9995322), (3, 6663548), (4, 4997661), (6, 3331774), (12, 1665887), (251, 79644), (502, 39822), (753, 26548), (1004, 19911), (1506, 13274), (3012, 6637)]