9489724990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49945921}}^1$

素因数の和:49945947

約数の個数: 16

約数和(自身を含む): 17980531920

約数和(自身を除く): 8490806930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 49945921, 99891842, 249729605, 499459210, 948972499, 1897944998, 4744862495, 9489724990]

約数ペア:

[(1, 9489724990), (2, 4744862495), (5, 1897944998), (10, 948972499), (19, 499459210), (38, 249729605), (95, 99891842), (190, 49945921)]