19610620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4397}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 41376384

約数和(自身を除く): 21765764

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4397, 4460, 8794, 17588, 21985, 43970, 87940, 980531, 1961062, 3922124, 4902655, 9805310, 19610620]

約数ペア:

[(1, 19610620), (2, 9805310), (4, 4902655), (5, 3922124), (10, 1961062), (20, 980531), (223, 87940), (446, 43970), (892, 21985), (1115, 17588), (2230, 8794), (4397, 4460)]