18449838

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 45189144

約数和(自身を除く): 26739306

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 121, 129, 197, 198, 242, 258, 363, 387, 394, 473, 591, 726, 774, 946, 1089, 1182, 1419, 1773, 2167, 2178, 2838, 3546, 4257, 4334, 5203, 6501, 8471, 8514, 10406, 13002, 15609, 16942, 19503, 23837, 25413, 31218, 39006, 46827, 47674, 50826, 71511, 76239, 93181, 93654, 143022, 152478, 186362, 214533, 279543, 429066, 559086, 838629, 1024991, 1677258, 2049982, 3074973, 6149946, 9224919, 18449838]

約数ペア:

[(1, 18449838), (2, 9224919), (3, 6149946), (6, 3074973), (9, 2049982), (11, 1677258), (18, 1024991), (22, 838629), (33, 559086), (43, 429066), (66, 279543), (86, 214533), (99, 186362), (121, 152478), (129, 143022), (197, 93654), (198, 93181), (242, 76239), (258, 71511), (363, 50826), (387, 47674), (394, 46827), (473, 39006), (591, 31218), (726, 25413), (774, 23837), (946, 19503), (1089, 16942), (1182, 15609), (1419, 13002), (1773, 10406), (2167, 8514), (2178, 8471), (2838, 6501), (3546, 5203), (4257, 4334)]