18620784

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 240

約数和(自身を含む): 67704000

約数和(自身を除く): 49083216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 29, 36, 39, 42, 48, 49, 52, 56, 58, 63, 72, 78, 84, 87, 91, 98, 104, 112, 116, 117, 126, 144, 147, 156, 168, 174, 182, 196, 203, 208, 232, 234, 252, 261, 273, 294, 312, 336, 343, 348, 364, 377, 392, 406, 441, 464, 468, 504, 522, 546, 588, 609, 624, 637, 686, 696, 728, 754, 784, 812, 819, 882, 936, 1008, 1029, 1044, 1092, 1131, 1176, 1218, 1274, 1372, 1392, 1421, 1456, 1508, 1624, 1638, 1764, 1827, 1872, 1911, 2058, 2088, 2184, 2262, 2352, 2436, 2548, 2639, 2744, 2842, 3016, 3087, 3248, 3276, 3393, 3528, 3654, 3822, 4116, 4176, 4263, 4368, 4459, 4524, 4872, 5096, 5278, 5488, 5684, 5733, 6032, 6174, 6552, 6786, 7056, 7308, 7644, 7917, 8232, 8526, 8918, 9048, 9744, 9947, 10192, 10556, 11368, 11466, 12348, 12789, 13104, 13377, 13572, 14616, 15288, 15834, 16464, 17052, 17836, 18096, 18473, 19894, 21112, 22736, 22932, 23751, 24696, 25578, 26754, 27144, 29232, 29841, 30576, 31668, 34104, 35672, 36946, 39788, 40131, 42224, 45864, 47502, 49392, 51156, 53508, 54288, 55419, 59682, 63336, 68208, 71344, 73892, 79576, 80262, 89523, 91728, 95004, 102312, 107016, 110838, 119364, 126672, 129311, 147784, 159152, 160524, 166257, 179046, 190008, 204624, 214032, 221676, 238728, 258622, 295568, 321048, 332514, 358092, 380016, 387933, 443352, 477456, 517244, 642096, 665028, 716184, 775866, 886704, 1034488, 1163799, 1330056, 1432368, 1551732, 2068976, 2327598, 2660112, 3103464, 4655196, 6206928, 9310392, 18620784]

約数ペア:

[(1, 18620784), (2, 9310392), (3, 6206928), (4, 4655196), (6, 3103464), (7, 2660112), (8, 2327598), (9, 2068976), (12, 1551732), (13, 1432368), (14, 1330056), (16, 1163799), (18, 1034488), (21, 886704), (24, 775866), (26, 716184), (28, 665028), (29, 642096), (36, 517244), (39, 477456), (42, 443352), (48, 387933), (49, 380016), (52, 358092), (56, 332514), (58, 321048), (63, 295568), (72, 258622), (78, 238728), (84, 221676), (87, 214032), (91, 204624), (98, 190008), (104, 179046), (112, 166257), (116, 160524), (117, 159152), (126, 147784), (144, 129311), (147, 126672), (156, 119364), (168, 110838), (174, 107016), (182, 102312), (196, 95004), (203, 91728), (208, 89523), (232, 80262), (234, 79576), (252, 73892), (261, 71344), (273, 68208), (294, 63336), (312, 59682), (336, 55419), (343, 54288), (348, 53508), (364, 51156), (377, 49392), (392, 47502), (406, 45864), (441, 42224), (464, 40131), (468, 39788), (504, 36946), (522, 35672), (546, 34104), (588, 31668), (609, 30576), (624, 29841), (637, 29232), (686, 27144), (696, 26754), (728, 25578), (754, 24696), (784, 23751), (812, 22932), (819, 22736), (882, 21112), (936, 19894), (1008, 18473), (1029, 18096), (1044, 17836), (1092, 17052), (1131, 16464), (1176, 15834), (1218, 15288), (1274, 14616), (1372, 13572), (1392, 13377), (1421, 13104), (1456, 12789), (1508, 12348), (1624, 11466), (1638, 11368), (1764, 10556), (1827, 10192), (1872, 9947), (1911, 9744), (2058, 9048), (2088, 8918), (2184, 8526), (2262, 8232), (2352, 7917), (2436, 7644), (2548, 7308), (2639, 7056), (2744, 6786), (2842, 6552), (3016, 6174), (3087, 6032), (3248, 5733), (3276, 5684), (3393, 5488), (3528, 5278), (3654, 5096), (3822, 4872), (4116, 4524), (4176, 4459), (4263, 4368)]