19239935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8338945

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 355, 379, 715, 781, 923, 1895, 3905, 4169, 4615, 4927, 10153, 20845, 24635, 26909, 50765, 54197, 134545, 270985, 295999, 349817, 1479995, 1749085, 3847987, 19239935]

約数ペア:

[(1, 19239935), (5, 3847987), (11, 1749085), (13, 1479995), (55, 349817), (65, 295999), (71, 270985), (143, 134545), (355, 54197), (379, 50765), (715, 26909), (781, 24635), (923, 20845), (1895, 10153), (3905, 4927), (4169, 4615)]