18112857

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 28680960

約数和(自身を除く): 10568103

約数列:

[1, 3, 7, 21, 41, 109, 123, 193, 287, 327, 579, 763, 861, 1351, 2289, 4053, 4469, 7913, 13407, 21037, 23739, 31283, 55391, 63111, 93849, 147259, 166173, 441777, 862517, 2587551, 6037619, 18112857]

約数ペア:

[(1, 18112857), (3, 6037619), (7, 2587551), (21, 862517), (41, 441777), (109, 166173), (123, 147259), (193, 93849), (287, 63111), (327, 55391), (579, 31283), (763, 23739), (861, 21037), (1351, 13407), (2289, 7913), (4053, 4469)]