12974992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18859}}^1$

素因数の和:18910

約数の個数: 20

約数和(自身を含む): 25725040

約数和(自身を除く): 12750048

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18859, 37718, 75436, 150872, 301744, 810937, 1621874, 3243748, 6487496, 12974992]

約数ペア:

[(1, 12974992), (2, 6487496), (4, 3243748), (8, 1621874), (16, 810937), (43, 301744), (86, 150872), (172, 75436), (344, 37718), (688, 18859)]