18875349

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1171}}^1$

素因数の和:1382

約数の個数: 20

約数和(自身を含む): 28362400

約数和(自身を除く): 9487051

約数列:

[1, 3, 9, 27, 81, 199, 597, 1171, 1791, 3513, 5373, 10539, 16119, 31617, 94851, 233029, 699087, 2097261, 6291783, 18875349]

約数ペア:

[(1, 18875349), (3, 6291783), (9, 2097261), (27, 699087), (81, 233029), (199, 94851), (597, 31617), (1171, 16119), (1791, 10539), (3513, 5373)]