18813723721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{1471}}^1\times {\mathrm{75679}}^1$

素因数の和:77176

約数の個数: 12

約数和(自身を含む): 20386375680

約数和(自身を除く): 1572651959

約数列:

[1, 13, 169, 1471, 19123, 75679, 248599, 983827, 12789751, 111323809, 1447209517, 18813723721]

約数ペア:

[(1, 18813723721), (13, 1447209517), (169, 111323809), (1471, 12789751), (19123, 983827), (75679, 248599)]