19889387

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1873}}^1$

素因数の和:1958

約数の個数: 16

約数和(自身を含む): 23927232

約数和(自身を除く): 4037845

約数列:

[1, 7, 37, 41, 259, 287, 1517, 1873, 10619, 13111, 69301, 76793, 485107, 537551, 2841341, 19889387]

約数ペア:

[(1, 19889387), (7, 2841341), (37, 537551), (41, 485107), (259, 76793), (287, 69301), (1517, 13111), (1873, 10619)]