18311722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 33042240

約数和(自身を除く): 14730518

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1489, 2978, 6149, 12298, 16379, 19357, 32758, 38714, 64027, 128054, 212927, 425854, 704297, 832351, 1408594, 1664702, 9155861, 18311722]

約数ペア:

[(1, 18311722), (2, 9155861), (11, 1664702), (13, 1408594), (22, 832351), (26, 704297), (43, 425854), (86, 212927), (143, 128054), (286, 64027), (473, 38714), (559, 32758), (946, 19357), (1118, 16379), (1489, 12298), (2978, 6149)]