19849501

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 23485824

約数和(自身を除く): 3636323

約数列:

[1, 7, 37, 173, 259, 443, 1211, 3101, 6401, 16391, 44807, 76639, 114737, 536473, 2835643, 19849501]

約数ペア:

[(1, 19849501), (7, 2835643), (37, 536473), (173, 114737), (259, 76639), (443, 44807), (1211, 16391), (3101, 6401)]