19907012

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{93901}}^1$

素因数の和:93958

約数の個数: 12

約数和(自身を含む): 35494956

約数和(自身を除く): 15587944

約数列:

[1, 2, 4, 53, 106, 212, 93901, 187802, 375604, 4976753, 9953506, 19907012]

約数ペア:

[(1, 19907012), (2, 9953506), (4, 4976753), (53, 375604), (106, 187802), (212, 93901)]