1808939916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10211}}^1$

素因数の和:10284

約数の個数: 144

約数和(自身を含む): 5650095360

約数和(自身を除く): 3841155444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 37, 38, 42, 57, 63, 74, 76, 84, 111, 114, 126, 133, 148, 171, 222, 228, 252, 259, 266, 333, 342, 399, 444, 518, 532, 666, 684, 703, 777, 798, 1036, 1197, 1332, 1406, 1554, 1596, 2109, 2331, 2394, 2812, 3108, 4218, 4662, 4788, 4921, 6327, 8436, 9324, 9842, 10211, 12654, 14763, 19684, 20422, 25308, 29526, 30633, 40844, 44289, 59052, 61266, 71477, 88578, 91899, 122532, 142954, 177156, 183798, 194009, 214431, 285908, 367596, 377807, 388018, 428862, 582027, 643293, 755614, 776036, 857724, 1133421, 1164054, 1286586, 1358063, 1511228, 1746081, 2266842, 2328108, 2573172, 2644649, 2716126, 3400263, 3492162, 4074189, 4533684, 5289298, 5432252, 6800526, 6984324, 7178333, 7933947, 8148378, 10578596, 12222567, 13601052, 14356666, 15867894, 16296756, 21534999, 23801841, 24445134, 28713332, 31735788, 43069998, 47603682, 48890268, 50248331, 64604997, 86139996, 95207364, 100496662, 129209994, 150744993, 200993324, 258419988, 301489986, 452234979, 602979972, 904469958, 1808939916]

約数ペア:

[(1, 1808939916), (2, 904469958), (3, 602979972), (4, 452234979), (6, 301489986), (7, 258419988), (9, 200993324), (12, 150744993), (14, 129209994), (18, 100496662), (19, 95207364), (21, 86139996), (28, 64604997), (36, 50248331), (37, 48890268), (38, 47603682), (42, 43069998), (57, 31735788), (63, 28713332), (74, 24445134), (76, 23801841), (84, 21534999), (111, 16296756), (114, 15867894), (126, 14356666), (133, 13601052), (148, 12222567), (171, 10578596), (222, 8148378), (228, 7933947), (252, 7178333), (259, 6984324), (266, 6800526), (333, 5432252), (342, 5289298), (399, 4533684), (444, 4074189), (518, 3492162), (532, 3400263), (666, 2716126), (684, 2644649), (703, 2573172), (777, 2328108), (798, 2266842), (1036, 1746081), (1197, 1511228), (1332, 1358063), (1406, 1286586), (1554, 1164054), (1596, 1133421), (2109, 857724), (2331, 776036), (2394, 755614), (2812, 643293), (3108, 582027), (4218, 428862), (4662, 388018), (4788, 377807), (4921, 367596), (6327, 285908), (8436, 214431), (9324, 194009), (9842, 183798), (10211, 177156), (12654, 142954), (14763, 122532), (19684, 91899), (20422, 88578), (25308, 71477), (29526, 61266), (30633, 59052), (40844, 44289)]