20181830994

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{1019}}^1$

素因数の和:1449

約数の個数: 128

約数和(自身を含む): 49043232000

約数和(自身を除く): 28861401006

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 89, 117, 178, 234, 267, 317, 351, 534, 634, 702, 801, 951, 1019, 1157, 1602, 1902, 2038, 2314, 2403, 2853, 3057, 3471, 4121, 4806, 5706, 6114, 6942, 8242, 8559, 9171, 10413, 12363, 13247, 17118, 18342, 20826, 24726, 26494, 27513, 28213, 31239, 37089, 39741, 55026, 56426, 62478, 74178, 79482, 84639, 90691, 111267, 119223, 169278, 181382, 222534, 238446, 253917, 272073, 323023, 357669, 366769, 507834, 544146, 646046, 715338, 733538, 761751, 816219, 969069, 1100307, 1178983, 1523502, 1632438, 1938138, 2200614, 2357966, 2448657, 2907207, 3300921, 3536949, 4199299, 4897314, 5814414, 6601842, 7073898, 8398598, 8721621, 9902763, 10610847, 12597897, 17443242, 19805526, 21221694, 25195794, 28749047, 31832541, 37793691, 57498094, 63665082, 75587382, 86247141, 113381073, 172494282, 226762146, 258741423, 373737611, 517482846, 747475222, 776224269, 1121212833, 1552448538, 2242425666, 3363638499, 6727276998, 10090915497, 20181830994]

約数ペア:

[(1, 20181830994), (2, 10090915497), (3, 6727276998), (6, 3363638499), (9, 2242425666), (13, 1552448538), (18, 1121212833), (26, 776224269), (27, 747475222), (39, 517482846), (54, 373737611), (78, 258741423), (89, 226762146), (117, 172494282), (178, 113381073), (234, 86247141), (267, 75587382), (317, 63665082), (351, 57498094), (534, 37793691), (634, 31832541), (702, 28749047), (801, 25195794), (951, 21221694), (1019, 19805526), (1157, 17443242), (1602, 12597897), (1902, 10610847), (2038, 9902763), (2314, 8721621), (2403, 8398598), (2853, 7073898), (3057, 6601842), (3471, 5814414), (4121, 4897314), (4806, 4199299), (5706, 3536949), (6114, 3300921), (6942, 2907207), (8242, 2448657), (8559, 2357966), (9171, 2200614), (10413, 1938138), (12363, 1632438), (13247, 1523502), (17118, 1178983), (18342, 1100307), (20826, 969069), (24726, 816219), (26494, 761751), (27513, 733538), (28213, 715338), (31239, 646046), (37089, 544146), (39741, 507834), (55026, 366769), (56426, 357669), (62478, 323023), (74178, 272073), (79482, 253917), (84639, 238446), (90691, 222534), (111267, 181382), (119223, 169278)]