19871008087

素因数分解:

$7^1\times {\mathrm{389}}^1\times {\mathrm{1823}}^1\times {\mathrm{4003}}^1$

素因数の和:6222

約数の個数: 16

約数和(自身を含む): 22786283520

約数和(自身を除く): 2915275433

約数列:

[1, 7, 389, 1823, 2723, 4003, 12761, 28021, 709147, 1557167, 4964029, 7297469, 10900169, 51082283, 2838715441, 19871008087]

約数ペア:

[(1, 19871008087), (7, 2838715441), (389, 51082283), (1823, 10900169), (2723, 7297469), (4003, 4964029), (12761, 1557167), (28021, 709147)]