1821148

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 3672032

約数和(自身を除く): 1850884

約数列:

[1, 2, 4, 7, 14, 28, 193, 337, 386, 674, 772, 1348, 1351, 2359, 2702, 4718, 5404, 9436, 65041, 130082, 260164, 455287, 910574, 1821148]

約数ペア:

[(1, 1821148), (2, 910574), (4, 455287), (7, 260164), (14, 130082), (28, 65041), (193, 9436), (337, 5404), (386, 4718), (674, 2702), (772, 2359), (1348, 1351)]