19785399

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2791}}^1$

素因数の和:2950

約数の個数: 16

約数和(自身を含む): 28143360

約数和(自身を除く): 8357961

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2791, 7089, 8373, 47447, 142341, 387949, 1163847, 6595133, 19785399]

約数ペア:

[(1, 19785399), (3, 6595133), (17, 1163847), (51, 387949), (139, 142341), (417, 47447), (2363, 8373), (2791, 7089)]