18947049

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5081}}^1$

素因数の和:5208

約数の個数: 16

約数和(自身を含む): 27808704

約数和(自身を除く): 8861655

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5081, 15243, 55891, 167673, 574153, 1722459, 6315683, 18947049]

約数ペア:

[(1, 18947049), (3, 6315683), (11, 1722459), (33, 574153), (113, 167673), (339, 55891), (1243, 15243), (3729, 5081)]