18090856

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 42439680

約数和(自身を除く): 24348824

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 434, 476, 527, 613, 868, 952, 1054, 1226, 1736, 2108, 2452, 3689, 4216, 4291, 4904, 7378, 8582, 10421, 14756, 17164, 19003, 20842, 29512, 34328, 38006, 41684, 72947, 76012, 83368, 133021, 145894, 152024, 266042, 291788, 323051, 532084, 583576, 646102, 1064168, 1292204, 2261357, 2584408, 4522714, 9045428, 18090856]

約数ペア:

[(1, 18090856), (2, 9045428), (4, 4522714), (7, 2584408), (8, 2261357), (14, 1292204), (17, 1064168), (28, 646102), (31, 583576), (34, 532084), (56, 323051), (62, 291788), (68, 266042), (119, 152024), (124, 145894), (136, 133021), (217, 83368), (238, 76012), (248, 72947), (434, 41684), (476, 38006), (527, 34328), (613, 29512), (868, 20842), (952, 19003), (1054, 17164), (1226, 14756), (1736, 10421), (2108, 8582), (2452, 7378), (3689, 4904), (4216, 4291)]