20194991999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{11447}}^1\times {\mathrm{19387}}^1$

素因数の和:30854

約数の個数: 16

約数和(自身を含む): 24858828288

約数和(自身を除く): 4663836289

約数列:

[1, 7, 13, 91, 11447, 19387, 80129, 135709, 148811, 252031, 1041677, 1764217, 221922989, 1553460923, 2884998857, 20194991999]

約数ペア:

[(1, 20194991999), (7, 2884998857), (13, 1553460923), (91, 221922989), (11447, 1764217), (19387, 1041677), (80129, 252031), (135709, 148811)]