16640865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19463}}^1$

素因数の和:19493

約数の個数: 24

約数和(自身を含む): 30363840

約数和(自身を除く): 13722975

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 19463, 58389, 97315, 175167, 291945, 369797, 875835, 1109391, 1848985, 3328173, 5546955, 16640865]

約数ペア:

[(1, 16640865), (3, 5546955), (5, 3328173), (9, 1848985), (15, 1109391), (19, 875835), (45, 369797), (57, 291945), (95, 175167), (171, 97315), (285, 58389), (855, 19463)]