19985269799

素因数分解:

${\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{405817}}^1$

素因数の和:405887

約数の個数: 16

約数和(自身を含む): 22576466976

約数和(自身を除く): 2591197177

約数列:

[1, 11, 37, 121, 407, 1331, 4477, 49247, 405817, 4463987, 15015229, 49103857, 165167519, 540142427, 1816842709, 19985269799]

約数ペア:

[(1, 19985269799), (11, 1816842709), (37, 540142427), (121, 165167519), (407, 49103857), (1331, 15015229), (4477, 4463987), (49247, 405817)]