18066986

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 34364160

約数和(自身を除く): 16297174

約数列:

[1, 2, 7, 14, 19, 31, 38, 49, 62, 98, 133, 217, 266, 313, 434, 589, 626, 931, 1178, 1519, 1862, 2191, 3038, 4123, 4382, 5947, 8246, 9703, 11894, 15337, 19406, 28861, 30674, 41629, 57722, 67921, 83258, 135842, 184357, 291403, 368714, 475447, 582806, 950894, 1290499, 2580998, 9033493, 18066986]

約数ペア:

[(1, 18066986), (2, 9033493), (7, 2580998), (14, 1290499), (19, 950894), (31, 582806), (38, 475447), (49, 368714), (62, 291403), (98, 184357), (133, 135842), (217, 83258), (266, 67921), (313, 57722), (434, 41629), (589, 30674), (626, 28861), (931, 19406), (1178, 15337), (1519, 11894), (1862, 9703), (2191, 8246), (3038, 5947), (4123, 4382)]