19990857600

素因数分解:

$2^7\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 1152

約数和(自身を含む): 91156665600

約数和(自身を除く): 71165808000

約数列:

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約数ペア:

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