12989502

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 36

約数和(自身を含む): 29718000

約数和(自身を除く): 16728498

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 1999, 2166, 3249, 3998, 5997, 6498, 11994, 17991, 35982, 37981, 75962, 113943, 227886, 341829, 683658, 721639, 1443278, 2164917, 4329834, 6494751, 12989502]

約数ペア:

[(1, 12989502), (2, 6494751), (3, 4329834), (6, 2164917), (9, 1443278), (18, 721639), (19, 683658), (38, 341829), (57, 227886), (114, 113943), (171, 75962), (342, 37981), (361, 35982), (722, 17991), (1083, 11994), (1999, 6498), (2166, 5997), (3249, 3998)]