18915528048

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1\times {\mathrm{5281}}^1$

素因数の和:6414

約数の個数: 80

約数和(自身を含む): 49609896192

約数和(自身を除く): 30694368144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1051, 1136, 1704, 2102, 3153, 3408, 4204, 5281, 6306, 8408, 10562, 12612, 15843, 16816, 21124, 25224, 31686, 42248, 50448, 63372, 74621, 84496, 126744, 149242, 223863, 253488, 298484, 374951, 447726, 596968, 749902, 895452, 1124853, 1193936, 1499804, 1790904, 2249706, 2999608, 3581808, 4499412, 5550331, 5999216, 8998824, 11100662, 16650993, 17997648, 22201324, 33301986, 44402648, 66603972, 88805296, 133207944, 266415888, 394073501, 788147002, 1182220503, 1576294004, 2364441006, 3152588008, 4728882012, 6305176016, 9457764024, 18915528048]

約数ペア:

[(1, 18915528048), (2, 9457764024), (3, 6305176016), (4, 4728882012), (6, 3152588008), (8, 2364441006), (12, 1576294004), (16, 1182220503), (24, 788147002), (48, 394073501), (71, 266415888), (142, 133207944), (213, 88805296), (284, 66603972), (426, 44402648), (568, 33301986), (852, 22201324), (1051, 17997648), (1136, 16650993), (1704, 11100662), (2102, 8998824), (3153, 5999216), (3408, 5550331), (4204, 4499412), (5281, 3581808), (6306, 2999608), (8408, 2249706), (10562, 1790904), (12612, 1499804), (15843, 1193936), (16816, 1124853), (21124, 895452), (25224, 749902), (31686, 596968), (42248, 447726), (50448, 374951), (63372, 298484), (74621, 253488), (84496, 223863), (126744, 149242)]