12646666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 20885760

約数和(自身を除く): 8239094

約数列:

[1, 2, 19, 38, 47, 73, 94, 97, 146, 194, 893, 1387, 1786, 1843, 2774, 3431, 3686, 4559, 6862, 7081, 9118, 14162, 65189, 86621, 130378, 134539, 173242, 269078, 332807, 665614, 6323333, 12646666]

約数ペア:

[(1, 12646666), (2, 6323333), (19, 665614), (38, 332807), (47, 269078), (73, 173242), (94, 134539), (97, 130378), (146, 86621), (194, 65189), (893, 14162), (1387, 9118), (1786, 7081), (1843, 6862), (2774, 4559), (3431, 3686)]