20189071388

素因数分解:

$2^2\times {\mathrm{3847}}^1\times {\mathrm{1312001}}^1$

素因数の和:1315852

約数の個数: 12

約数和(自身を含む): 35340085872

約数和(自身を除く): 15151014484

約数列:

[1, 2, 4, 3847, 7694, 15388, 1312001, 2624002, 5248004, 5047267847, 10094535694, 20189071388]

約数ペア:

[(1, 20189071388), (2, 10094535694), (4, 5047267847), (3847, 5248004), (7694, 2624002), (15388, 1312001)]