19428864

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 160

約数和(自身を含む): 64162560

約数和(自身を除く): 44733696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 139, 156, 168, 182, 192, 208, 224, 256, 273, 278, 312, 336, 364, 384, 416, 417, 448, 512, 546, 556, 624, 672, 728, 768, 832, 834, 896, 973, 1092, 1112, 1248, 1344, 1456, 1536, 1664, 1668, 1792, 1807, 1946, 2184, 2224, 2496, 2688, 2912, 2919, 3328, 3336, 3584, 3614, 3892, 4368, 4448, 4992, 5376, 5421, 5824, 5838, 6656, 6672, 7228, 7784, 8736, 8896, 9984, 10752, 10842, 11648, 11676, 12649, 13344, 14456, 15568, 17472, 17792, 19968, 21684, 23296, 23352, 25298, 26688, 28912, 31136, 34944, 35584, 37947, 43368, 46592, 46704, 50596, 53376, 57824, 62272, 69888, 71168, 75894, 86736, 93408, 101192, 106752, 115648, 124544, 139776, 151788, 173472, 186816, 202384, 213504, 231296, 249088, 303576, 346944, 373632, 404768, 462592, 498176, 607152, 693888, 747264, 809536, 925184, 1214304, 1387776, 1494528, 1619072, 2428608, 2775552, 3238144, 4857216, 6476288, 9714432, 19428864]

約数ペア:

[(1, 19428864), (2, 9714432), (3, 6476288), (4, 4857216), (6, 3238144), (7, 2775552), (8, 2428608), (12, 1619072), (13, 1494528), (14, 1387776), (16, 1214304), (21, 925184), (24, 809536), (26, 747264), (28, 693888), (32, 607152), (39, 498176), (42, 462592), (48, 404768), (52, 373632), (56, 346944), (64, 303576), (78, 249088), (84, 231296), (91, 213504), (96, 202384), (104, 186816), (112, 173472), (128, 151788), (139, 139776), (156, 124544), (168, 115648), (182, 106752), (192, 101192), (208, 93408), (224, 86736), (256, 75894), (273, 71168), (278, 69888), (312, 62272), (336, 57824), (364, 53376), (384, 50596), (416, 46704), (417, 46592), (448, 43368), (512, 37947), (546, 35584), (556, 34944), (624, 31136), (672, 28912), (728, 26688), (768, 25298), (832, 23352), (834, 23296), (896, 21684), (973, 19968), (1092, 17792), (1112, 17472), (1248, 15568), (1344, 14456), (1456, 13344), (1536, 12649), (1664, 11676), (1668, 11648), (1792, 10842), (1807, 10752), (1946, 9984), (2184, 8896), (2224, 8736), (2496, 7784), (2688, 7228), (2912, 6672), (2919, 6656), (3328, 5838), (3336, 5824), (3584, 5421), (3614, 5376), (3892, 4992), (4368, 4448)]