20121247912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{132376631}}^1$

素因数の和:132376656

約数の個数: 16

約数和(自身を含む): 39712989600

約数和(自身を除く): 19591741688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 132376631, 264753262, 529506524, 1059013048, 2515155989, 5030311978, 10060623956, 20121247912]

約数ペア:

[(1, 20121247912), (2, 10060623956), (4, 5030311978), (8, 2515155989), (19, 1059013048), (38, 529506524), (76, 264753262), (152, 132376631)]