19992012149

素因数分解:

${\mathrm{157}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1\times {\mathrm{673}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 20241999360

約数和(自身を除く): 249987211

約数列:

[1, 157, 431, 439, 673, 67667, 68923, 105661, 189209, 290063, 295447, 29705813, 45539891, 46385179, 127337657, 19992012149]

約数ペア:

[(1, 19992012149), (157, 127337657), (431, 46385179), (439, 45539891), (673, 29705813), (67667, 295447), (68923, 290063), (105661, 189209)]