18804519972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{6121}}^1$

素因数の和:6378

約数の個数: 144

約数和(自身を含む): 55407136512

約数和(自身を除く): 36602616540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 167, 219, 252, 292, 334, 438, 501, 511, 657, 668, 876, 1002, 1022, 1169, 1314, 1503, 1533, 2004, 2044, 2338, 2628, 3006, 3066, 3507, 4599, 4676, 6012, 6121, 6132, 7014, 9198, 10521, 12191, 12242, 14028, 18363, 18396, 21042, 24382, 24484, 36573, 36726, 42084, 42847, 48764, 55089, 73146, 73452, 85337, 85694, 109719, 110178, 128541, 146292, 170674, 171388, 219438, 220356, 256011, 257082, 341348, 385623, 438876, 446833, 512022, 514164, 768033, 771246, 893666, 1022207, 1024044, 1340499, 1536066, 1542492, 1787332, 2044414, 2680998, 3066621, 3072132, 3127831, 4021497, 4088828, 5361996, 6133242, 6255662, 7155449, 8042994, 9199863, 9383493, 12266484, 12511324, 14310898, 16085988, 18399726, 18766986, 21466347, 28150479, 28621796, 36799452, 37533972, 42932694, 56300958, 64399041, 74621111, 85865388, 112601916, 128798082, 149242222, 223863333, 257596164, 298484444, 447726666, 522347777, 671589999, 895453332, 1044695554, 1343179998, 1567043331, 2089391108, 2686359996, 3134086662, 4701129993, 6268173324, 9402259986, 18804519972]

約数ペア:

[(1, 18804519972), (2, 9402259986), (3, 6268173324), (4, 4701129993), (6, 3134086662), (7, 2686359996), (9, 2089391108), (12, 1567043331), (14, 1343179998), (18, 1044695554), (21, 895453332), (28, 671589999), (36, 522347777), (42, 447726666), (63, 298484444), (73, 257596164), (84, 223863333), (126, 149242222), (146, 128798082), (167, 112601916), (219, 85865388), (252, 74621111), (292, 64399041), (334, 56300958), (438, 42932694), (501, 37533972), (511, 36799452), (657, 28621796), (668, 28150479), (876, 21466347), (1002, 18766986), (1022, 18399726), (1169, 16085988), (1314, 14310898), (1503, 12511324), (1533, 12266484), (2004, 9383493), (2044, 9199863), (2338, 8042994), (2628, 7155449), (3006, 6255662), (3066, 6133242), (3507, 5361996), (4599, 4088828), (4676, 4021497), (6012, 3127831), (6121, 3072132), (6132, 3066621), (7014, 2680998), (9198, 2044414), (10521, 1787332), (12191, 1542492), (12242, 1536066), (14028, 1340499), (18363, 1024044), (18396, 1022207), (21042, 893666), (24382, 771246), (24484, 768033), (36573, 514164), (36726, 512022), (42084, 446833), (42847, 438876), (48764, 385623), (55089, 341348), (73146, 257082), (73452, 256011), (85337, 220356), (85694, 219438), (109719, 171388), (110178, 170674), (128541, 146292)]