18326280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21817}}^1$

素因数の和:21838

約数の個数: 64

約数和(自身を含む): 62835840

約数和(自身を除く): 44509560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21817, 43634, 65451, 87268, 109085, 130902, 152719, 174536, 218170, 261804, 305438, 327255, 436340, 458157, 523608, 610876, 654510, 763595, 872680, 916314, 1221752, 1309020, 1527190, 1832628, 2290785, 2618040, 3054380, 3665256, 4581570, 6108760, 9163140, 18326280]

約数ペア:

[(1, 18326280), (2, 9163140), (3, 6108760), (4, 4581570), (5, 3665256), (6, 3054380), (7, 2618040), (8, 2290785), (10, 1832628), (12, 1527190), (14, 1309020), (15, 1221752), (20, 916314), (21, 872680), (24, 763595), (28, 654510), (30, 610876), (35, 523608), (40, 458157), (42, 436340), (56, 327255), (60, 305438), (70, 261804), (84, 218170), (105, 174536), (120, 152719), (140, 130902), (168, 109085), (210, 87268), (280, 65451), (420, 43634), (840, 21817)]