18444620120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{937}}^1$

素因数の和:1465

約数の個数: 128

約数和(自身を含む): 44573760000

約数和(自身を除く): 26129139880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 439, 472, 590, 760, 878, 937, 1121, 1180, 1756, 1874, 2195, 2242, 2360, 3512, 3748, 4390, 4484, 4685, 5605, 7496, 8341, 8780, 8968, 9370, 11210, 16682, 17560, 17803, 18740, 22420, 25901, 33364, 35606, 37480, 41705, 44840, 51802, 55283, 66728, 71212, 83410, 89015, 103604, 110566, 129505, 142424, 166820, 178030, 207208, 221132, 259010, 276415, 333640, 356060, 411343, 442264, 492119, 518020, 552830, 712120, 822686, 984238, 1036040, 1050377, 1105660, 1645372, 1968476, 2056715, 2100754, 2211320, 2460595, 3290744, 3936952, 4113430, 4201508, 4921190, 5251885, 7815517, 8226860, 8403016, 9842380, 10503770, 15631034, 16453720, 19684760, 21007540, 24269237, 31262068, 39077585, 42015080, 48538474, 62524136, 78155170, 97076948, 121346185, 156310340, 194153896, 242692370, 312620680, 461115503, 485384740, 922231006, 970769480, 1844462012, 2305577515, 3688924024, 4611155030, 9222310060, 18444620120]

約数ペア:

[(1, 18444620120), (2, 9222310060), (4, 4611155030), (5, 3688924024), (8, 2305577515), (10, 1844462012), (19, 970769480), (20, 922231006), (38, 485384740), (40, 461115503), (59, 312620680), (76, 242692370), (95, 194153896), (118, 156310340), (152, 121346185), (190, 97076948), (236, 78155170), (295, 62524136), (380, 48538474), (439, 42015080), (472, 39077585), (590, 31262068), (760, 24269237), (878, 21007540), (937, 19684760), (1121, 16453720), (1180, 15631034), (1756, 10503770), (1874, 9842380), (2195, 8403016), (2242, 8226860), (2360, 7815517), (3512, 5251885), (3748, 4921190), (4390, 4201508), (4484, 4113430), (4685, 3936952), (5605, 3290744), (7496, 2460595), (8341, 2211320), (8780, 2100754), (8968, 2056715), (9370, 1968476), (11210, 1645372), (16682, 1105660), (17560, 1050377), (17803, 1036040), (18740, 984238), (22420, 822686), (25901, 712120), (33364, 552830), (35606, 518020), (37480, 492119), (41705, 442264), (44840, 411343), (51802, 356060), (55283, 333640), (66728, 276415), (71212, 259010), (83410, 221132), (89015, 207208), (103604, 178030), (110566, 166820), (129505, 142424)]