18332576

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 37626120

約数和(自身を除く): 19293544

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 89, 157, 164, 178, 314, 328, 356, 628, 656, 712, 1256, 1312, 1424, 2512, 2848, 3649, 5024, 6437, 7298, 12874, 13973, 14596, 25748, 27946, 29192, 51496, 55892, 58384, 102992, 111784, 116768, 205984, 223568, 447136, 572893, 1145786, 2291572, 4583144, 9166288, 18332576]

約数ペア:

[(1, 18332576), (2, 9166288), (4, 4583144), (8, 2291572), (16, 1145786), (32, 572893), (41, 447136), (82, 223568), (89, 205984), (157, 116768), (164, 111784), (178, 102992), (314, 58384), (328, 55892), (356, 51496), (628, 29192), (656, 27946), (712, 25748), (1256, 14596), (1312, 13973), (1424, 12874), (2512, 7298), (2848, 6437), (3649, 5024)]