12587728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 26248320

約数和(自身を除く): 13660592

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 881, 893, 1762, 1786, 3524, 3572, 7048, 7144, 14096, 14288, 16739, 33478, 41407, 66956, 82814, 133912, 165628, 267824, 331256, 662512, 786733, 1573466, 3146932, 6293864, 12587728]

約数ペア:

[(1, 12587728), (2, 6293864), (4, 3146932), (8, 1573466), (16, 786733), (19, 662512), (38, 331256), (47, 267824), (76, 165628), (94, 133912), (152, 82814), (188, 66956), (304, 41407), (376, 33478), (752, 16739), (881, 14288), (893, 14096), (1762, 7144), (1786, 7048), (3524, 3572)]