18166988

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2467}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 36486912

約数和(自身を除く): 18319924

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2467, 3682, 4934, 7364, 9868, 17269, 34538, 69076, 648821, 1297642, 2595284, 4541747, 9083494, 18166988]

約数ペア:

[(1, 18166988), (2, 9083494), (4, 4541747), (7, 2595284), (14, 1297642), (28, 648821), (263, 69076), (526, 34538), (1052, 17269), (1841, 9868), (2467, 7364), (3682, 4934)]