17899739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 22353408

約数和(自身を除く): 4453669

約数列:

[1, 11, 13, 41, 43, 71, 143, 451, 473, 533, 559, 781, 923, 1763, 2911, 3053, 5863, 6149, 10153, 19393, 22919, 32021, 33583, 37843, 39689, 125173, 252109, 416273, 436579, 1376903, 1627249, 17899739]

約数ペア:

[(1, 17899739), (11, 1627249), (13, 1376903), (41, 436579), (43, 416273), (71, 252109), (143, 125173), (451, 39689), (473, 37843), (533, 33583), (559, 32021), (781, 22919), (923, 19393), (1763, 10153), (2911, 6149), (3053, 5863)]