18916128

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:887

約数の個数: 144

約数和(自身を含む): 67144896

約数和(自身を除く): 48228768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 96, 99, 112, 126, 132, 144, 154, 168, 176, 198, 224, 231, 252, 264, 288, 308, 336, 352, 396, 462, 504, 528, 616, 672, 693, 792, 853, 924, 1008, 1056, 1232, 1386, 1584, 1706, 1848, 2016, 2464, 2559, 2772, 3168, 3412, 3696, 5118, 5544, 5971, 6824, 7392, 7677, 9383, 10236, 11088, 11942, 13648, 15354, 17913, 18766, 20472, 22176, 23884, 27296, 28149, 30708, 35826, 37532, 40944, 47768, 53739, 56298, 61416, 65681, 71652, 75064, 81888, 84447, 95536, 107478, 112596, 122832, 131362, 143304, 150128, 168894, 191072, 197043, 214956, 225192, 245664, 262724, 286608, 300256, 337788, 394086, 429912, 450384, 525448, 573216, 591129, 675576, 788172, 859824, 900768, 1050896, 1182258, 1351152, 1576344, 1719648, 2101792, 2364516, 2702304, 3152688, 4729032, 6305376, 9458064, 18916128]

約数ペア:

[(1, 18916128), (2, 9458064), (3, 6305376), (4, 4729032), (6, 3152688), (7, 2702304), (8, 2364516), (9, 2101792), (11, 1719648), (12, 1576344), (14, 1351152), (16, 1182258), (18, 1050896), (21, 900768), (22, 859824), (24, 788172), (28, 675576), (32, 591129), (33, 573216), (36, 525448), (42, 450384), (44, 429912), (48, 394086), (56, 337788), (63, 300256), (66, 286608), (72, 262724), (77, 245664), (84, 225192), (88, 214956), (96, 197043), (99, 191072), (112, 168894), (126, 150128), (132, 143304), (144, 131362), (154, 122832), (168, 112596), (176, 107478), (198, 95536), (224, 84447), (231, 81888), (252, 75064), (264, 71652), (288, 65681), (308, 61416), (336, 56298), (352, 53739), (396, 47768), (462, 40944), (504, 37532), (528, 35826), (616, 30708), (672, 28149), (693, 27296), (792, 23884), (853, 22176), (924, 20472), (1008, 18766), (1056, 17913), (1232, 15354), (1386, 13648), (1584, 11942), (1706, 11088), (1848, 10236), (2016, 9383), (2464, 7677), (2559, 7392), (2772, 6824), (3168, 5971), (3412, 5544), (3696, 5118)]