12496490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 23976000

約数和(自身を除く): 11479510

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 739, 890, 1478, 1691, 3382, 3695, 7390, 8455, 14041, 16910, 28082, 65771, 70205, 131542, 140410, 328855, 657710, 1249649, 2499298, 6248245, 12496490]

約数ペア:

[(1, 12496490), (2, 6248245), (5, 2499298), (10, 1249649), (19, 657710), (38, 328855), (89, 140410), (95, 131542), (178, 70205), (190, 65771), (445, 28082), (739, 16910), (890, 14041), (1478, 8455), (1691, 7390), (3382, 3695)]