18996992

素因数分解:

$2^8\times 7^1\times {\mathrm{10601}}^1$

素因数の和:10624

約数の個数: 36

約数和(自身を含む): 43340976

約数和(自身を除く): 24343984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 10601, 21202, 42404, 74207, 84808, 148414, 169616, 296828, 339232, 593656, 678464, 1187312, 1356928, 2374624, 2713856, 4749248, 9498496, 18996992]

約数ペア:

[(1, 18996992), (2, 9498496), (4, 4749248), (7, 2713856), (8, 2374624), (14, 1356928), (16, 1187312), (28, 678464), (32, 593656), (56, 339232), (64, 296828), (112, 169616), (128, 148414), (224, 84808), (256, 74207), (448, 42404), (896, 21202), (1792, 10601)]