18028670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 38817792

約数和(自身を除く): 20789122

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 170, 187, 310, 311, 341, 374, 527, 622, 682, 935, 1054, 1555, 1705, 1870, 2635, 3110, 3410, 3421, 5270, 5287, 5797, 6842, 9641, 10574, 11594, 17105, 19282, 26435, 28985, 34210, 48205, 52870, 57970, 58157, 96410, 106051, 116314, 163897, 212102, 290785, 327794, 530255, 581570, 819485, 1060510, 1638970, 1802867, 3605734, 9014335, 18028670]

約数ペア:

[(1, 18028670), (2, 9014335), (5, 3605734), (10, 1802867), (11, 1638970), (17, 1060510), (22, 819485), (31, 581570), (34, 530255), (55, 327794), (62, 290785), (85, 212102), (110, 163897), (155, 116314), (170, 106051), (187, 96410), (310, 58157), (311, 57970), (341, 52870), (374, 48205), (527, 34210), (622, 28985), (682, 26435), (935, 19282), (1054, 17105), (1555, 11594), (1705, 10574), (1870, 9641), (2635, 6842), (3110, 5797), (3410, 5287), (3421, 5270)]