19203891

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12527}}^1$

素因数の和:12610

約数の個数: 16

約数和(自身を含む): 29666304

約数和(自身を除く): 10462413

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12527, 37581, 87689, 263067, 914471, 2743413, 6401297, 19203891]

約数ペア:

[(1, 19203891), (3, 6401297), (7, 2743413), (21, 914471), (73, 263067), (219, 87689), (511, 37581), (1533, 12527)]