18224635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7902725

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 355, 359, 715, 781, 923, 1795, 3905, 3949, 4615, 4667, 10153, 19745, 23335, 25489, 50765, 51337, 127445, 256685, 280379, 331357, 1401895, 1656785, 3644927, 18224635]

約数ペア:

[(1, 18224635), (5, 3644927), (11, 1656785), (13, 1401895), (55, 331357), (65, 280379), (71, 256685), (143, 127445), (355, 51337), (359, 50765), (715, 25489), (781, 23335), (923, 19745), (1795, 10153), (3905, 4667), (3949, 4615)]