18462840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 61585920

約数和(自身を除く): 43123080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 197, 213, 220, 264, 284, 330, 355, 394, 426, 440, 568, 591, 660, 710, 781, 788, 852, 985, 1065, 1182, 1320, 1420, 1562, 1576, 1704, 1970, 2130, 2167, 2343, 2364, 2840, 2955, 3124, 3905, 3940, 4260, 4334, 4686, 4728, 5910, 6248, 6501, 7810, 7880, 8520, 8668, 9372, 10835, 11715, 11820, 13002, 13987, 15620, 17336, 18744, 21670, 23430, 23640, 26004, 27974, 31240, 32505, 41961, 43340, 46860, 52008, 55948, 65010, 69935, 83922, 86680, 93720, 111896, 130020, 139870, 153857, 167844, 209805, 260040, 279740, 307714, 335688, 419610, 461571, 559480, 615428, 769285, 839220, 923142, 1230856, 1538570, 1678440, 1846284, 2307855, 3077140, 3692568, 4615710, 6154280, 9231420, 18462840]

約数ペア:

[(1, 18462840), (2, 9231420), (3, 6154280), (4, 4615710), (5, 3692568), (6, 3077140), (8, 2307855), (10, 1846284), (11, 1678440), (12, 1538570), (15, 1230856), (20, 923142), (22, 839220), (24, 769285), (30, 615428), (33, 559480), (40, 461571), (44, 419610), (55, 335688), (60, 307714), (66, 279740), (71, 260040), (88, 209805), (110, 167844), (120, 153857), (132, 139870), (142, 130020), (165, 111896), (197, 93720), (213, 86680), (220, 83922), (264, 69935), (284, 65010), (330, 55948), (355, 52008), (394, 46860), (426, 43340), (440, 41961), (568, 32505), (591, 31240), (660, 27974), (710, 26004), (781, 23640), (788, 23430), (852, 21670), (985, 18744), (1065, 17336), (1182, 15620), (1320, 13987), (1420, 13002), (1562, 11820), (1576, 11715), (1704, 10835), (1970, 9372), (2130, 8668), (2167, 8520), (2343, 7880), (2364, 7810), (2840, 6501), (2955, 6248), (3124, 5910), (3905, 4728), (3940, 4686), (4260, 4334)]