18927895

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28463}}^1$

素因数の和:28494

約数の個数: 16

約数和(自身を含む): 27325440

約数和(自身を除く): 8397545

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 28463, 142315, 199241, 540797, 996205, 2703985, 3785579, 18927895]

約数ペア:

[(1, 18927895), (5, 3785579), (7, 2703985), (19, 996205), (35, 540797), (95, 199241), (133, 142315), (665, 28463)]