19945079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13633}}^1$

素因数の和:13670

約数の個数: 16

約数和(自身を含む): 26177280

約数和(自身を除く): 6232201

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13633, 95431, 149963, 259027, 1049741, 1813189, 2849297, 19945079]

約数ペア:

[(1, 19945079), (7, 2849297), (11, 1813189), (19, 1049741), (77, 259027), (133, 149963), (209, 95431), (1463, 13633)]