20180119678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1\times {\mathrm{248041}}^1$

素因数の和:250203

約数の個数: 16

約数和(自身を含む): 31878357840

約数和(自身を除く): 11698238162

約数列:

[1, 2, 19, 38, 2141, 4282, 40679, 81358, 248041, 496082, 4712779, 9425558, 531055781, 1062111562, 10090059839, 20180119678]

約数ペア:

[(1, 20180119678), (2, 10090059839), (19, 1062111562), (38, 531055781), (2141, 9425558), (4282, 4712779), (40679, 496082), (81358, 248041)]