18885272

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{599}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 21722728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 599, 1126, 1198, 2252, 2396, 3941, 4193, 4504, 4792, 7882, 8386, 15764, 16772, 31528, 33544, 337237, 674474, 1348948, 2360659, 2697896, 4721318, 9442636, 18885272]

約数ペア:

[(1, 18885272), (2, 9442636), (4, 4721318), (7, 2697896), (8, 2360659), (14, 1348948), (28, 674474), (56, 337237), (563, 33544), (599, 31528), (1126, 16772), (1198, 15764), (2252, 8386), (2396, 7882), (3941, 4792), (4193, 4504)]