1819961

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 18

約数和(自身を含む): 2190510

約数和(自身を除く): 370549

約数列:

[1, 11, 13, 89, 121, 143, 169, 979, 1157, 1573, 1859, 10769, 12727, 15041, 20449, 139997, 165451, 1819961]

約数ペア:

[(1, 1819961), (11, 165451), (13, 139997), (89, 20449), (121, 15041), (143, 12727), (169, 10769), (979, 1859), (1157, 1573)]