12509885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3559}}^1$

素因数の和:3620

約数の個数: 16

約数和(自身を含む): 16233600

約数和(自身を除く): 3723715

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 3559, 17795, 67621, 131683, 338105, 658415, 2501977, 12509885]

約数ペア:

[(1, 12509885), (5, 2501977), (19, 658415), (37, 338105), (95, 131683), (185, 67621), (703, 17795), (3515, 3559)]