19992258

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:901

約数の個数: 80

約数和(自身を含む): 52690176

約数和(自身を除く): 32697918

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 81, 99, 117, 143, 162, 198, 234, 286, 297, 351, 429, 594, 702, 858, 863, 891, 1053, 1287, 1726, 1782, 2106, 2574, 2589, 3861, 5178, 7722, 7767, 9493, 11219, 11583, 15534, 18986, 22438, 23166, 23301, 28479, 33657, 46602, 56958, 67314, 69903, 85437, 100971, 123409, 139806, 170874, 201942, 246818, 256311, 302913, 370227, 512622, 605826, 740454, 768933, 908739, 1110681, 1537866, 1817478, 2221362, 3332043, 6664086, 9996129, 19992258]

約数ペア:

[(1, 19992258), (2, 9996129), (3, 6664086), (6, 3332043), (9, 2221362), (11, 1817478), (13, 1537866), (18, 1110681), (22, 908739), (26, 768933), (27, 740454), (33, 605826), (39, 512622), (54, 370227), (66, 302913), (78, 256311), (81, 246818), (99, 201942), (117, 170874), (143, 139806), (162, 123409), (198, 100971), (234, 85437), (286, 69903), (297, 67314), (351, 56958), (429, 46602), (594, 33657), (702, 28479), (858, 23301), (863, 23166), (891, 22438), (1053, 18986), (1287, 15534), (1726, 11583), (1782, 11219), (2106, 9493), (2574, 7767), (2589, 7722), (3861, 5178)]