18820445

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 27952128

約数和(自身を除く): 9131683

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 673, 799, 1645, 3365, 3995, 4711, 5593, 11441, 23555, 27965, 31631, 57205, 80087, 158155, 221417, 400435, 537727, 1107085, 2688635, 3764089, 18820445]

約数ペア:

[(1, 18820445), (5, 3764089), (7, 2688635), (17, 1107085), (35, 537727), (47, 400435), (85, 221417), (119, 158155), (235, 80087), (329, 57205), (595, 31631), (673, 27965), (799, 23555), (1645, 11441), (3365, 5593), (3995, 4711)]