18440688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 55282176

約数和(自身を除く): 36841488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 773, 852, 994, 1136, 1491, 1546, 1704, 1988, 2319, 2982, 3092, 3408, 3976, 4638, 5411, 5964, 6184, 7952, 9276, 10822, 11928, 12368, 16233, 18552, 21644, 23856, 32466, 37104, 43288, 54883, 64932, 86576, 109766, 129864, 164649, 219532, 259728, 329298, 384181, 439064, 658596, 768362, 878128, 1152543, 1317192, 1536724, 2305086, 2634384, 3073448, 4610172, 6146896, 9220344, 18440688]

約数ペア:

[(1, 18440688), (2, 9220344), (3, 6146896), (4, 4610172), (6, 3073448), (7, 2634384), (8, 2305086), (12, 1536724), (14, 1317192), (16, 1152543), (21, 878128), (24, 768362), (28, 658596), (42, 439064), (48, 384181), (56, 329298), (71, 259728), (84, 219532), (112, 164649), (142, 129864), (168, 109766), (213, 86576), (284, 64932), (336, 54883), (426, 43288), (497, 37104), (568, 32466), (773, 23856), (852, 21644), (994, 18552), (1136, 16233), (1491, 12368), (1546, 11928), (1704, 10822), (1988, 9276), (2319, 7952), (2982, 6184), (3092, 5964), (3408, 5411), (3976, 4638)]