19816953

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4001}}^1$

素因数の和:4144

約数の個数: 16

約数和(自身を含む): 28686336

約数和(自身を除く): 8869383

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4001, 4953, 12003, 52013, 156039, 508127, 1524381, 6605651, 19816953]

約数ペア:

[(1, 19816953), (3, 6605651), (13, 1524381), (39, 508127), (127, 156039), (381, 52013), (1651, 12003), (4001, 4953)]