12673456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 26426880

約数和(自身を除く): 13753424

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 887, 893, 1774, 1786, 3548, 3572, 7096, 7144, 14192, 14288, 16853, 33706, 41689, 67412, 83378, 134824, 166756, 269648, 333512, 667024, 792091, 1584182, 3168364, 6336728, 12673456]

約数ペア:

[(1, 12673456), (2, 6336728), (4, 3168364), (8, 1584182), (16, 792091), (19, 667024), (38, 333512), (47, 269648), (76, 166756), (94, 134824), (152, 83378), (188, 67412), (304, 41689), (376, 33706), (752, 16853), (887, 14288), (893, 14192), (1774, 7144), (1786, 7096), (3548, 3572)]