19121649

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 7005711

約数列:

[1, 3, 71, 107, 213, 321, 839, 2517, 7597, 22791, 59569, 89773, 178707, 269319, 6373883, 19121649]

約数ペア:

[(1, 19121649), (3, 6373883), (71, 269319), (107, 178707), (213, 89773), (321, 59569), (839, 22791), (2517, 7597)]