18886208

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 56

約数和(自身を含む): 41391840

約数和(自身を除く): 22505632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 139, 176, 193, 278, 352, 386, 556, 704, 772, 1112, 1529, 1544, 2123, 2224, 3058, 3088, 4246, 4448, 6116, 6176, 8492, 8896, 12232, 12352, 16984, 24464, 26827, 33968, 48928, 53654, 67936, 97856, 107308, 135872, 214616, 295097, 429232, 590194, 858464, 1180388, 1716928, 2360776, 4721552, 9443104, 18886208]

約数ペア:

[(1, 18886208), (2, 9443104), (4, 4721552), (8, 2360776), (11, 1716928), (16, 1180388), (22, 858464), (32, 590194), (44, 429232), (64, 295097), (88, 214616), (139, 135872), (176, 107308), (193, 97856), (278, 67936), (352, 53654), (386, 48928), (556, 33968), (704, 26827), (772, 24464), (1112, 16984), (1529, 12352), (1544, 12232), (2123, 8896), (2224, 8492), (3058, 6176), (3088, 6116), (4246, 4448)]