18804946804

素因数分解:

$2^2\times 7^1\times {\mathrm{671605243}}^1$

素因数の和:671605254

約数の個数: 12

約数和(自身を含む): 37609893664

約数和(自身を除く): 18804946860

約数列:

[1, 2, 4, 7, 14, 28, 671605243, 1343210486, 2686420972, 4701236701, 9402473402, 18804946804]

約数ペア:

[(1, 18804946804), (2, 9402473402), (4, 4701236701), (7, 2686420972), (14, 1343210486), (28, 671605243)]