19392191

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4349}}^1$

素因数の和:4383

約数の個数: 16

約数和(自身を含む): 24360000

約数和(自身を除く): 4967809

約数列:

[1, 7, 13, 49, 91, 343, 637, 4349, 4459, 30443, 56537, 213101, 395759, 1491707, 2770313, 19392191]

約数ペア:

[(1, 19392191), (7, 2770313), (13, 1491707), (49, 395759), (91, 213101), (343, 56537), (637, 30443), (4349, 4459)]