2019906189007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{3637}}^1\times {\mathrm{12391}}^1$

素因数の和:16391

約数の個数: 32

約数和(自身を含む): 2438039751680

約数和(自身を除く): 418133562673

約数列:

[1, 7, 19, 133, 337, 2359, 3637, 6403, 12391, 25459, 44821, 69103, 86737, 235429, 483721, 1225669, 1648003, 4175767, 8579683, 23287711, 29230369, 45066067, 79339573, 163013977, 315462469, 555377011, 856255273, 5993786911, 15187264579, 106310852053, 288558027001, 2019906189007]

約数ペア:

[(1, 2019906189007), (7, 288558027001), (19, 106310852053), (133, 15187264579), (337, 5993786911), (2359, 856255273), (3637, 555377011), (6403, 315462469), (12391, 163013977), (25459, 79339573), (44821, 45066067), (69103, 29230369), (86737, 23287711), (235429, 8579683), (483721, 4175767), (1225669, 1648003)]