18859609

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 20966400

約数和(自身を除く): 2106791

約数列:

[1, 19, 23, 103, 419, 437, 1957, 2369, 7961, 9637, 43157, 45011, 183103, 819983, 992611, 18859609]

約数ペア:

[(1, 18859609), (19, 992611), (23, 819983), (103, 183103), (419, 45011), (437, 43157), (1957, 9637), (2369, 7961)]