18305188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 36550080

約数和(自身を除く): 18244892

約数列:

[1, 2, 4, 11, 22, 41, 44, 73, 82, 139, 146, 164, 278, 292, 451, 556, 803, 902, 1529, 1606, 1804, 2993, 3058, 3212, 5699, 5986, 6116, 10147, 11398, 11972, 20294, 22796, 32923, 40588, 62689, 65846, 111617, 125378, 131692, 223234, 250756, 416027, 446468, 832054, 1664108, 4576297, 9152594, 18305188]

約数ペア:

[(1, 18305188), (2, 9152594), (4, 4576297), (11, 1664108), (22, 832054), (41, 446468), (44, 416027), (73, 250756), (82, 223234), (139, 131692), (146, 125378), (164, 111617), (278, 65846), (292, 62689), (451, 40588), (556, 32923), (803, 22796), (902, 20294), (1529, 11972), (1606, 11398), (1804, 10147), (2993, 6116), (3058, 5986), (3212, 5699)]