18912894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 52641792

約数和(自身を除く): 33728898

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 47, 66, 67, 77, 78, 91, 94, 134, 141, 143, 154, 182, 201, 231, 273, 282, 286, 329, 402, 429, 462, 469, 517, 546, 611, 658, 737, 858, 871, 938, 987, 1001, 1034, 1222, 1407, 1474, 1551, 1742, 1833, 1974, 2002, 2211, 2613, 2814, 3003, 3102, 3149, 3619, 3666, 4277, 4422, 5159, 5226, 6006, 6097, 6298, 6721, 7238, 8554, 9447, 9581, 10318, 10857, 12194, 12831, 13442, 15477, 18291, 18894, 19162, 20163, 21714, 22043, 25662, 28743, 30954, 34639, 36582, 40326, 40937, 44086, 47047, 57486, 66129, 67067, 69278, 81874, 94094, 103917, 122811, 132258, 134134, 141141, 201201, 207834, 242473, 245622, 282282, 286559, 402402, 450307, 484946, 573118, 727419, 859677, 900614, 1350921, 1454838, 1719354, 2701842, 3152149, 6304298, 9456447, 18912894]

約数ペア:

[(1, 18912894), (2, 9456447), (3, 6304298), (6, 3152149), (7, 2701842), (11, 1719354), (13, 1454838), (14, 1350921), (21, 900614), (22, 859677), (26, 727419), (33, 573118), (39, 484946), (42, 450307), (47, 402402), (66, 286559), (67, 282282), (77, 245622), (78, 242473), (91, 207834), (94, 201201), (134, 141141), (141, 134134), (143, 132258), (154, 122811), (182, 103917), (201, 94094), (231, 81874), (273, 69278), (282, 67067), (286, 66129), (329, 57486), (402, 47047), (429, 44086), (462, 40937), (469, 40326), (517, 36582), (546, 34639), (611, 30954), (658, 28743), (737, 25662), (858, 22043), (871, 21714), (938, 20163), (987, 19162), (1001, 18894), (1034, 18291), (1222, 15477), (1407, 13442), (1474, 12831), (1551, 12194), (1742, 10857), (1833, 10318), (1974, 9581), (2002, 9447), (2211, 8554), (2613, 7238), (2814, 6721), (3003, 6298), (3102, 6097), (3149, 6006), (3619, 5226), (3666, 5159), (4277, 4422)]