19559319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2081}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 28215264

約数和(自身を除く): 8655945

約数列:

[1, 3, 13, 39, 241, 723, 2081, 3133, 6243, 9399, 27053, 81159, 501521, 1504563, 6519773, 19559319]

約数ペア:

[(1, 19559319), (3, 6519773), (13, 1504563), (39, 501521), (241, 81159), (723, 27053), (2081, 9399), (3133, 6243)]