19664359

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8089}}^1$

素因数の和:8130

約数の個数: 16

約数和(自身を含む): 24464160

約数和(自身を除く): 4799801

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8089, 88979, 105157, 137513, 1156727, 1512643, 1787669, 19664359]

約数ペア:

[(1, 19664359), (11, 1787669), (13, 1512643), (17, 1156727), (143, 137513), (187, 105157), (221, 88979), (2431, 8089)]