19399741

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 21565440

約数和(自身を除く): 2165699

約数列:

[1, 19, 23, 103, 431, 437, 1957, 2369, 8189, 9913, 44393, 45011, 188347, 843467, 1021039, 19399741]

約数ペア:

[(1, 19399741), (19, 1021039), (23, 843467), (103, 188347), (431, 45011), (437, 44393), (1957, 9913), (2369, 8189)]