18916994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1949}}^1$

素因数の和:2185

約数の個数: 16

約数和(自身を含む): 29764800

約数和(自身を除く): 10847806

約数列:

[1, 2, 23, 46, 211, 422, 1949, 3898, 4853, 9706, 44827, 89654, 411239, 822478, 9458497, 18916994]

約数ペア:

[(1, 18916994), (2, 9458497), (23, 822478), (46, 411239), (211, 89654), (422, 44827), (1949, 9706), (3898, 4853)]