18916864

素因数分解:

$2^9\times {\mathrm{36947}}^1$

素因数の和:36965

約数の個数: 20

約数和(自身を含む): 37797804

約数和(自身を除く): 18880940

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 36947, 73894, 147788, 295576, 591152, 1182304, 2364608, 4729216, 9458432, 18916864]

約数ペア:

[(1, 18916864), (2, 9458432), (4, 4729216), (8, 2364608), (16, 1182304), (32, 591152), (64, 295576), (128, 147788), (256, 73894), (512, 36947)]