18787054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 34573824

約数和(自身を除く): 15786770

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 163, 169, 286, 326, 338, 341, 403, 682, 806, 1793, 1859, 2119, 3586, 3718, 4238, 4433, 5053, 5239, 8866, 10106, 10478, 23309, 27547, 46618, 55094, 55583, 57629, 65689, 111166, 115258, 131378, 303017, 606034, 722579, 853957, 1445158, 1707914, 9393527, 18787054]

約数ペア:

[(1, 18787054), (2, 9393527), (11, 1707914), (13, 1445158), (22, 853957), (26, 722579), (31, 606034), (62, 303017), (143, 131378), (163, 115258), (169, 111166), (286, 65689), (326, 57629), (338, 55583), (341, 55094), (403, 46618), (682, 27547), (806, 23309), (1793, 10478), (1859, 10106), (2119, 8866), (3586, 5239), (3718, 5053), (4238, 4433)]