19864959

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3067}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 28274688

約数和(自身を除く): 8409729

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3067, 6477, 9201, 52139, 156417, 389509, 1168527, 6621653, 19864959]

約数ペア:

[(1, 19864959), (3, 6621653), (17, 1168527), (51, 389509), (127, 156417), (381, 52139), (2159, 9201), (3067, 6477)]