18867417

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 25894080

約数和(自身を除く): 7026663

約数列:

[1, 3, 53, 107, 159, 321, 1109, 3327, 5671, 17013, 58777, 118663, 176331, 355989, 6289139, 18867417]

約数ペア:

[(1, 18867417), (3, 6289139), (53, 355989), (107, 176331), (159, 118663), (321, 58777), (1109, 17013), (3327, 5671)]