18694377

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6947}}^1$

素因数の和:6989

約数の個数: 24

約数和(自身を含む): 30348864

約数和(自身を除く): 11654487

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 6947, 20841, 62523, 90311, 159781, 270933, 479343, 812799, 1438029, 2077153, 6231459, 18694377]

約数ペア:

[(1, 18694377), (3, 6231459), (9, 2077153), (13, 1438029), (23, 812799), (39, 479343), (69, 270933), (117, 159781), (207, 90311), (299, 62523), (897, 20841), (2691, 6947)]