1918804923

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:590

約数の個数: 128

約数和(自身を含む): 3627417600

約数和(自身を除く): 1708612677

約数列:

[1, 3, 7, 9, 21, 23, 27, 29, 31, 63, 69, 87, 93, 161, 189, 203, 207, 217, 261, 279, 483, 491, 609, 621, 651, 667, 713, 783, 837, 899, 1449, 1473, 1827, 1953, 2001, 2139, 2697, 3437, 4347, 4419, 4669, 4991, 5481, 5859, 6003, 6293, 6417, 8091, 10311, 11293, 13257, 14007, 14239, 14973, 15221, 18009, 18879, 19251, 20677, 24273, 30933, 33879, 42021, 42717, 44919, 45663, 56637, 62031, 79051, 92799, 99673, 101637, 106547, 126063, 128151, 134757, 136989, 144739, 169911, 186093, 237153, 299019, 304911, 319641, 327497, 350083, 384453, 410967, 434217, 441409, 558279, 711459, 897057, 958923, 982491, 1050249, 1302651, 1324227, 2134377, 2292479, 2450581, 2691171, 2876769, 2947473, 3089863, 3150747, 3907953, 3972681, 6877437, 7351743, 8842419, 9269589, 9452241, 10152407, 11918043, 20632311, 22055229, 27808767, 30457221, 61896933, 66165687, 71066849, 83426301, 91371663, 213200547, 274114989, 639601641, 1918804923]

約数ペア:

[(1, 1918804923), (3, 639601641), (7, 274114989), (9, 213200547), (21, 91371663), (23, 83426301), (27, 71066849), (29, 66165687), (31, 61896933), (63, 30457221), (69, 27808767), (87, 22055229), (93, 20632311), (161, 11918043), (189, 10152407), (203, 9452241), (207, 9269589), (217, 8842419), (261, 7351743), (279, 6877437), (483, 3972681), (491, 3907953), (609, 3150747), (621, 3089863), (651, 2947473), (667, 2876769), (713, 2691171), (783, 2450581), (837, 2292479), (899, 2134377), (1449, 1324227), (1473, 1302651), (1827, 1050249), (1953, 982491), (2001, 958923), (2139, 897057), (2697, 711459), (3437, 558279), (4347, 441409), (4419, 434217), (4669, 410967), (4991, 384453), (5481, 350083), (5859, 327497), (6003, 319641), (6293, 304911), (6417, 299019), (8091, 237153), (10311, 186093), (11293, 169911), (13257, 144739), (14007, 136989), (14239, 134757), (14973, 128151), (15221, 126063), (18009, 106547), (18879, 101637), (19251, 99673), (20677, 92799), (24273, 79051), (30933, 62031), (33879, 56637), (42021, 45663), (42717, 44919)]