19428838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67933}}^1$

素因数の和:67959

約数の個数: 16

約数和(自身を含む): 34238736

約数和(自身を除く): 14809898

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 67933, 135866, 747263, 883129, 1494526, 1766258, 9714419, 19428838]

約数ペア:

[(1, 19428838), (2, 9714419), (11, 1766258), (13, 1494526), (22, 883129), (26, 747263), (143, 135866), (286, 67933)]