19119373

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{727}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 25031552

約数和(自身を除く): 5912179

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 727, 1547, 2023, 3757, 5089, 9451, 12359, 26299, 66157, 86513, 160667, 210103, 1124669, 1470721, 2731339, 19119373]

約数ペア:

[(1, 19119373), (7, 2731339), (13, 1470721), (17, 1124669), (91, 210103), (119, 160667), (221, 86513), (289, 66157), (727, 26299), (1547, 12359), (2023, 9451), (3757, 5089)]