18878224

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11027}}^1$

素因数の和:11142

約数の個数: 20

約数和(自身を含む): 36921744

約数和(自身を除く): 18043520

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11027, 22054, 44108, 88216, 176432, 1179889, 2359778, 4719556, 9439112, 18878224]

約数ペア:

[(1, 18878224), (2, 9439112), (4, 4719556), (8, 2359778), (16, 1179889), (107, 176432), (214, 88216), (428, 44108), (856, 22054), (1712, 11027)]