18763888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 43747200

約数和(自身を除く): 24983312

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 59, 88, 104, 118, 139, 143, 176, 208, 236, 278, 286, 472, 556, 572, 649, 767, 944, 1112, 1144, 1298, 1529, 1534, 1807, 2224, 2288, 2596, 3058, 3068, 3614, 5192, 6116, 6136, 7228, 8201, 8437, 10384, 12232, 12272, 14456, 16402, 16874, 19877, 24464, 28912, 32804, 33748, 39754, 65608, 67496, 79508, 90211, 106613, 131216, 134992, 159016, 180422, 213226, 318032, 360844, 426452, 721688, 852904, 1172743, 1443376, 1705808, 2345486, 4690972, 9381944, 18763888]

約数ペア:

[(1, 18763888), (2, 9381944), (4, 4690972), (8, 2345486), (11, 1705808), (13, 1443376), (16, 1172743), (22, 852904), (26, 721688), (44, 426452), (52, 360844), (59, 318032), (88, 213226), (104, 180422), (118, 159016), (139, 134992), (143, 131216), (176, 106613), (208, 90211), (236, 79508), (278, 67496), (286, 65608), (472, 39754), (556, 33748), (572, 32804), (649, 28912), (767, 24464), (944, 19877), (1112, 16874), (1144, 16402), (1298, 14456), (1529, 12272), (1534, 12232), (1807, 10384), (2224, 8437), (2288, 8201), (2596, 7228), (3058, 6136), (3068, 6116), (3614, 5192)]