30105956

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{20849}}^1$

素因数の和:20891

約数の個数: 18

約数和(自身を含む): 55606950

約数和(自身を除く): 25500994

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 20849, 41698, 83396, 396131, 792262, 1584524, 7526489, 15052978, 30105956]

約数ペア:

[(1, 30105956), (2, 15052978), (4, 7526489), (19, 1584524), (38, 792262), (76, 396131), (361, 83396), (722, 41698), (1444, 20849)]