18939305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{49193}}^1$

素因数の和:49216

約数の個数: 16

約数和(自身を含む): 28335744

約数和(自身を除く): 9396439

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 49193, 245965, 344351, 541123, 1721755, 2705615, 3787861, 18939305]

約数ペア:

[(1, 18939305), (5, 3787861), (7, 2705615), (11, 1721755), (35, 541123), (55, 344351), (77, 245965), (385, 49193)]