18120088

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1451}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 20909672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1451, 1561, 1784, 2902, 3122, 5804, 6244, 10157, 11608, 12488, 20314, 40628, 81256, 323573, 647146, 1294292, 2265011, 2588584, 4530022, 9060044, 18120088]

約数ペア:

[(1, 18120088), (2, 9060044), (4, 4530022), (7, 2588584), (8, 2265011), (14, 1294292), (28, 647146), (56, 323573), (223, 81256), (446, 40628), (892, 20314), (1451, 12488), (1561, 11608), (1784, 10157), (2902, 6244), (3122, 5804)]