19520787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{45503}}^1$

素因数の和:45530

約数の個数: 16

約数和(自身を含む): 30578688

約数和(自身を除く): 11057901

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 45503, 136509, 500533, 591539, 1501599, 1774617, 6506929, 19520787]

約数ペア:

[(1, 19520787), (3, 6506929), (11, 1774617), (13, 1501599), (33, 591539), (39, 500533), (143, 136509), (429, 45503)]