19680789

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1789}}^1$

素因数の和:2004

約数の個数: 16

約数和(自身を含む): 27780800

約数和(自身を除く): 8100011

約数列:

[1, 3, 19, 57, 193, 579, 1789, 3667, 5367, 11001, 33991, 101973, 345277, 1035831, 6560263, 19680789]

約数ペア:

[(1, 19680789), (3, 6560263), (19, 1035831), (57, 345277), (193, 101973), (579, 33991), (1789, 11001), (3667, 5367)]