19751427

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 29235024

約数和(自身を除く): 9483597

約数列:

[1, 3, 9, 83, 137, 193, 249, 411, 579, 747, 1233, 1737, 11371, 16019, 26441, 34113, 48057, 79323, 102339, 144171, 237969, 2194603, 6583809, 19751427]

約数ペア:

[(1, 19751427), (3, 6583809), (9, 2194603), (83, 237969), (137, 144171), (193, 102339), (249, 79323), (411, 48057), (579, 34113), (747, 26441), (1233, 16019), (1737, 11371)]