19507216

素因数分解:

$2^4\times {\mathrm{577}}^1\times {\mathrm{2113}}^1$

素因数の和:2698

約数の個数: 20

約数和(自身を含む): 37878652

約数和(自身を除く): 18371436

約数列:

[1, 2, 4, 8, 16, 577, 1154, 2113, 2308, 4226, 4616, 8452, 9232, 16904, 33808, 1219201, 2438402, 4876804, 9753608, 19507216]

約数ペア:

[(1, 19507216), (2, 9753608), (4, 4876804), (8, 2438402), (16, 1219201), (577, 33808), (1154, 16904), (2113, 9232), (2308, 8452), (4226, 4616)]