18421949

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2087}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 22917888

約数和(自身を除く): 4495939

約数列:

[1, 7, 13, 91, 97, 679, 1261, 2087, 8827, 14609, 27131, 189917, 202439, 1417073, 2631707, 18421949]

約数ペア:

[(1, 18421949), (7, 2631707), (13, 1417073), (91, 202439), (97, 189917), (679, 27131), (1261, 14609), (2087, 8827)]