18290440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65323}}^1$

素因数の和:65341

約数の個数: 32

約数和(自身を含む): 47033280

約数和(自身を除く): 28742840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65323, 130646, 261292, 326615, 457261, 522584, 653230, 914522, 1306460, 1829044, 2286305, 2612920, 3658088, 4572610, 9145220, 18290440]

約数ペア:

[(1, 18290440), (2, 9145220), (4, 4572610), (5, 3658088), (7, 2612920), (8, 2286305), (10, 1829044), (14, 1306460), (20, 914522), (28, 653230), (35, 522584), (40, 457261), (56, 326615), (70, 261292), (140, 130646), (280, 65323)]