13720090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72211}}^1$

素因数の和:72237

約数の個数: 16

約数和(自身を含む): 25996320

約数和(自身を除く): 12276230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 72211, 144422, 361055, 722110, 1372009, 2744018, 6860045, 13720090]

約数ペア:

[(1, 13720090), (2, 6860045), (5, 2744018), (10, 1372009), (19, 722110), (38, 361055), (95, 144422), (190, 72211)]