19871181

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11807}}^1$

素因数の和:11841

約数の個数: 24

約数和(自身を含む): 33156864

約数和(自身を除く): 13285683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 11807, 35421, 106263, 129877, 200719, 389631, 602157, 1168893, 1806471, 2207909, 6623727, 19871181]

約数ペア:

[(1, 19871181), (3, 6623727), (9, 2207909), (11, 1806471), (17, 1168893), (33, 602157), (51, 389631), (99, 200719), (153, 129877), (187, 106263), (561, 35421), (1683, 11807)]