19970026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 33459840

約数和(自身を除く): 13489814

約数列:

[1, 2, 19, 23, 38, 46, 73, 146, 313, 437, 626, 874, 1387, 1679, 2774, 3358, 5947, 7199, 11894, 14398, 22849, 31901, 45698, 63802, 136781, 273562, 434131, 525527, 868262, 1051054, 9985013, 19970026]

約数ペア:

[(1, 19970026), (2, 9985013), (19, 1051054), (23, 868262), (38, 525527), (46, 434131), (73, 273562), (146, 136781), (313, 63802), (437, 45698), (626, 31901), (874, 22849), (1387, 14398), (1679, 11894), (2774, 7199), (3358, 5947)]