18638336

素因数分解:

$2^9\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:694

約数の個数: 40

約数和(自身を含む): 37932840

約数和(自身を除く): 19294504

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 512, 617, 944, 1234, 1888, 2468, 3776, 4936, 7552, 9872, 15104, 19744, 30208, 36403, 39488, 72806, 78976, 145612, 157952, 291224, 315904, 582448, 1164896, 2329792, 4659584, 9319168, 18638336]

約数ペア:

[(1, 18638336), (2, 9319168), (4, 4659584), (8, 2329792), (16, 1164896), (32, 582448), (59, 315904), (64, 291224), (118, 157952), (128, 145612), (236, 78976), (256, 72806), (472, 39488), (512, 36403), (617, 30208), (944, 19744), (1234, 15104), (1888, 9872), (2468, 7552), (3776, 4936)]