19996813872

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 640

約数和(自身を含む): 72630272000

約数和(自身を除く): 52633458128

約数列:

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約数ペア:

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