1898020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 4080384

約数和(自身を除く): 2182364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2207, 4414, 8828, 11035, 22070, 44140, 94901, 189802, 379604, 474505, 949010, 1898020]

約数ペア:

[(1, 1898020), (2, 949010), (4, 474505), (5, 379604), (10, 189802), (20, 94901), (43, 44140), (86, 22070), (172, 11035), (215, 8828), (430, 4414), (860, 2207)]