19489366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1789}}^1$

素因数の和:2223

約数の個数: 16

約数和(自身を含む): 31575600

約数和(自身を除く): 12086234

約数列:

[1, 2, 13, 26, 419, 838, 1789, 3578, 5447, 10894, 23257, 46514, 749591, 1499182, 9744683, 19489366]

約数ペア:

[(1, 19489366), (2, 9744683), (13, 1499182), (26, 749591), (419, 46514), (838, 23257), (1789, 10894), (3578, 5447)]