18921728

素因数分解:

$2^8\times 7^1\times {\mathrm{10559}}^1$

素因数の和:10582

約数の個数: 36

約数和(自身を含む): 43169280

約数和(自身を除く): 24247552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 10559, 21118, 42236, 73913, 84472, 147826, 168944, 295652, 337888, 591304, 675776, 1182608, 1351552, 2365216, 2703104, 4730432, 9460864, 18921728]

約数ペア:

[(1, 18921728), (2, 9460864), (4, 4730432), (7, 2703104), (8, 2365216), (14, 1351552), (16, 1182608), (28, 675776), (32, 591304), (56, 337888), (64, 295652), (112, 168944), (128, 147826), (224, 84472), (256, 73913), (448, 42236), (896, 21118), (1792, 10559)]