20181863536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1\times {\mathrm{2687}}^1$

素因数の和:3542

約数の個数: 80

約数和(自身を含む): 42557276160

約数和(自身を除く): 22375412624

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 797, 1178, 1594, 2356, 2687, 3188, 4712, 5374, 6376, 9424, 10748, 12752, 15143, 21496, 24707, 30286, 42992, 49414, 51053, 60572, 83297, 98828, 102106, 121144, 166594, 197656, 204212, 242288, 333188, 395312, 408424, 469433, 666376, 816848, 938866, 1332752, 1582643, 1877732, 2141539, 3165286, 3755464, 4283078, 6330572, 7510928, 8566156, 12661144, 17132312, 25322288, 34264624, 40689241, 66387709, 81378482, 132775418, 162756964, 265550836, 325513928, 531101672, 651027856, 1062203344, 1261366471, 2522732942, 5045465884, 10090931768, 20181863536]

約数ペア:

[(1, 20181863536), (2, 10090931768), (4, 5045465884), (8, 2522732942), (16, 1261366471), (19, 1062203344), (31, 651027856), (38, 531101672), (62, 325513928), (76, 265550836), (124, 162756964), (152, 132775418), (248, 81378482), (304, 66387709), (496, 40689241), (589, 34264624), (797, 25322288), (1178, 17132312), (1594, 12661144), (2356, 8566156), (2687, 7510928), (3188, 6330572), (4712, 4283078), (5374, 3755464), (6376, 3165286), (9424, 2141539), (10748, 1877732), (12752, 1582643), (15143, 1332752), (21496, 938866), (24707, 816848), (30286, 666376), (42992, 469433), (49414, 408424), (51053, 395312), (60572, 333188), (83297, 242288), (98828, 204212), (102106, 197656), (121144, 166594)]