20184346

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 19343654

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 338, 449, 494, 898, 1183, 1729, 2366, 3143, 3211, 3458, 5837, 6286, 6422, 8531, 11674, 17062, 22477, 40859, 44954, 59717, 75881, 81718, 110903, 119434, 151762, 221806, 531167, 776321, 1062334, 1441739, 1552642, 2883478, 10092173, 20184346]

約数ペア:

[(1, 20184346), (2, 10092173), (7, 2883478), (13, 1552642), (14, 1441739), (19, 1062334), (26, 776321), (38, 531167), (91, 221806), (133, 151762), (169, 119434), (182, 110903), (247, 81718), (266, 75881), (338, 59717), (449, 44954), (494, 40859), (898, 22477), (1183, 17062), (1729, 11674), (2366, 8531), (3143, 6422), (3211, 6286), (3458, 5837)]