18946746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 32945094

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 63, 78, 86, 91, 117, 126, 129, 182, 234, 258, 269, 273, 301, 387, 538, 546, 559, 602, 774, 807, 819, 903, 1118, 1614, 1638, 1677, 1806, 1883, 2421, 2709, 3354, 3497, 3766, 3913, 4842, 5031, 5418, 5649, 6994, 7826, 10062, 10491, 11298, 11567, 11739, 16947, 20982, 23134, 23478, 24479, 31473, 33894, 34701, 35217, 48958, 62946, 69402, 70434, 73437, 80969, 104103, 146874, 150371, 161938, 208206, 220311, 242907, 300742, 440622, 451113, 485814, 728721, 902226, 1052597, 1353339, 1457442, 2105194, 2706678, 3157791, 6315582, 9473373, 18946746]

約数ペア:

[(1, 18946746), (2, 9473373), (3, 6315582), (6, 3157791), (7, 2706678), (9, 2105194), (13, 1457442), (14, 1353339), (18, 1052597), (21, 902226), (26, 728721), (39, 485814), (42, 451113), (43, 440622), (63, 300742), (78, 242907), (86, 220311), (91, 208206), (117, 161938), (126, 150371), (129, 146874), (182, 104103), (234, 80969), (258, 73437), (269, 70434), (273, 69402), (301, 62946), (387, 48958), (538, 35217), (546, 34701), (559, 33894), (602, 31473), (774, 24479), (807, 23478), (819, 23134), (903, 20982), (1118, 16947), (1614, 11739), (1638, 11567), (1677, 11298), (1806, 10491), (1883, 10062), (2421, 7826), (2709, 6994), (3354, 5649), (3497, 5418), (3766, 5031), (3913, 4842)]