19385769

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7001}}^1$

素因数の和:7088

約数の個数: 16

約数和(自身を含む): 28232064

約数和(自身を除く): 8846295

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7001, 21003, 91013, 273039, 497071, 1491213, 6461923, 19385769]

約数ペア:

[(1, 19385769), (3, 6461923), (13, 1491213), (39, 497071), (71, 273039), (213, 91013), (923, 21003), (2769, 7001)]