19680386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 33739200

約数和(自身を除く): 14058814

約数列:

[1, 2, 11, 22, 29, 58, 109, 218, 283, 319, 566, 638, 1199, 2398, 3113, 3161, 6226, 6322, 8207, 16414, 30847, 34771, 61694, 69542, 90277, 180554, 339317, 678634, 894563, 1789126, 9840193, 19680386]

約数ペア:

[(1, 19680386), (2, 9840193), (11, 1789126), (22, 894563), (29, 678634), (58, 339317), (109, 180554), (218, 90277), (283, 69542), (319, 61694), (566, 34771), (638, 30847), (1199, 16414), (2398, 8207), (3113, 6322), (3161, 6226)]