19427727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 29465856

約数和(自身を除く): 10038129

約数列:

[1, 3, 11, 33, 41, 83, 123, 173, 249, 451, 519, 913, 1353, 1903, 2739, 3403, 5709, 7093, 10209, 14359, 21279, 37433, 43077, 78023, 112299, 157949, 234069, 473847, 588719, 1766157, 6475909, 19427727]

約数ペア:

[(1, 19427727), (3, 6475909), (11, 1766157), (33, 588719), (41, 473847), (83, 234069), (123, 157949), (173, 112299), (249, 78023), (451, 43077), (519, 37433), (913, 21279), (1353, 14359), (1903, 10209), (2739, 7093), (3403, 5709)]