18680277

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 12608043

約数列:

[1, 3, 7, 11, 21, 33, 77, 193, 231, 419, 579, 1257, 1351, 2123, 2933, 4053, 4609, 6369, 8799, 13827, 14861, 32263, 44583, 80867, 96789, 242601, 566069, 889537, 1698207, 2668611, 6226759, 18680277]

約数ペア:

[(1, 18680277), (3, 6226759), (7, 2668611), (11, 1698207), (21, 889537), (33, 566069), (77, 242601), (193, 96789), (231, 80867), (419, 44583), (579, 32263), (1257, 14861), (1351, 13827), (2123, 8799), (2933, 6369), (4053, 4609)]