18907434

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 54899208

約数和(自身を除く): 35991774

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 49, 51, 63, 78, 91, 97, 98, 102, 117, 119, 126, 147, 153, 182, 194, 221, 234, 238, 273, 291, 294, 306, 357, 441, 442, 546, 582, 637, 663, 679, 714, 819, 833, 873, 882, 1071, 1261, 1274, 1326, 1358, 1547, 1638, 1649, 1666, 1746, 1911, 1989, 2037, 2142, 2499, 2522, 3094, 3298, 3783, 3822, 3978, 4074, 4641, 4753, 4947, 4998, 5733, 6111, 7497, 7566, 8827, 9282, 9506, 9894, 10829, 11349, 11466, 11543, 12222, 13923, 14259, 14841, 14994, 17654, 21437, 21658, 22698, 23086, 26481, 27846, 28518, 29682, 32487, 34629, 42777, 42874, 52962, 61789, 64311, 64974, 69258, 79443, 80801, 85554, 97461, 103887, 123578, 128622, 150059, 158886, 161602, 185367, 192933, 194922, 207774, 242403, 300118, 370734, 385866, 450177, 484806, 556101, 727209, 900354, 1050413, 1112202, 1350531, 1454418, 2100826, 2701062, 3151239, 6302478, 9453717, 18907434]

約数ペア:

[(1, 18907434), (2, 9453717), (3, 6302478), (6, 3151239), (7, 2701062), (9, 2100826), (13, 1454418), (14, 1350531), (17, 1112202), (18, 1050413), (21, 900354), (26, 727209), (34, 556101), (39, 484806), (42, 450177), (49, 385866), (51, 370734), (63, 300118), (78, 242403), (91, 207774), (97, 194922), (98, 192933), (102, 185367), (117, 161602), (119, 158886), (126, 150059), (147, 128622), (153, 123578), (182, 103887), (194, 97461), (221, 85554), (234, 80801), (238, 79443), (273, 69258), (291, 64974), (294, 64311), (306, 61789), (357, 52962), (441, 42874), (442, 42777), (546, 34629), (582, 32487), (637, 29682), (663, 28518), (679, 27846), (714, 26481), (819, 23086), (833, 22698), (873, 21658), (882, 21437), (1071, 17654), (1261, 14994), (1274, 14841), (1326, 14259), (1358, 13923), (1547, 12222), (1638, 11543), (1649, 11466), (1666, 11349), (1746, 10829), (1911, 9894), (1989, 9506), (2037, 9282), (2142, 8827), (2499, 7566), (2522, 7497), (3094, 6111), (3298, 5733), (3783, 4998), (3822, 4947), (3978, 4753), (4074, 4641)]