19940887904

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 288

約数和(自身を含む): 49936733280

約数和(自身を除く): 29995845376

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 53, 56, 73, 76, 98, 106, 112, 133, 146, 152, 173, 196, 212, 224, 266, 292, 304, 346, 371, 392, 424, 511, 532, 584, 608, 692, 742, 784, 848, 931, 1007, 1022, 1064, 1168, 1211, 1384, 1387, 1484, 1568, 1696, 1862, 2014, 2044, 2128, 2336, 2422, 2597, 2768, 2774, 2968, 3287, 3577, 3724, 3869, 4028, 4088, 4256, 4844, 5194, 5536, 5548, 5936, 6574, 7049, 7154, 7448, 7738, 8056, 8176, 8477, 9169, 9688, 9709, 10388, 11096, 11872, 12629, 13148, 14098, 14308, 14896, 15476, 16112, 16352, 16954, 18338, 19376, 19418, 20776, 22192, 23009, 25258, 26296, 27083, 28196, 28616, 29792, 30952, 32224, 33908, 36676, 38752, 38836, 41552, 44384, 46018, 49343, 50516, 52592, 54166, 56392, 57232, 61904, 64183, 67816, 67963, 73352, 73511, 77672, 83104, 88403, 92036, 98686, 101032, 105184, 108332, 112784, 114464, 123808, 128366, 135632, 135926, 146704, 147022, 155344, 161063, 174211, 176806, 184072, 189581, 197372, 202064, 216664, 225568, 239951, 256732, 271264, 271852, 293408, 294044, 310688, 322126, 348422, 353612, 368144, 379162, 394744, 404128, 433328, 449281, 479902, 513464, 514577, 543704, 588088, 618821, 644252, 669337, 696844, 707224, 736288, 758324, 789488, 866656, 898562, 959804, 1026928, 1029154, 1087408, 1176176, 1219477, 1237642, 1288504, 1338674, 1393688, 1414448, 1516648, 1578976, 1679657, 1797124, 1919608, 2053856, 2058308, 2174816, 2352352, 2438954, 2475284, 2577008, 2677348, 2787376, 2828896, 3033296, 3359314, 3594248, 3602039, 3839216, 4116616, 4685359, 4877908, 4950568, 5154016, 5354696, 5574752, 6066592, 6718628, 7188496, 7204078, 7678432, 8233232, 8536339, 9370718, 9755816, 9901136, 10709392, 11757599, 12717403, 13437256, 14376992, 14408156, 16466464, 17072678, 18741436, 19511632, 19802272, 21418784, 23515198, 25434806, 26874512, 28816312, 32797513, 34145356, 37482872, 39023264, 47030396, 50869612, 53749024, 57632624, 65595026, 68290712, 74965744, 89021821, 94060792, 101739224, 115265248, 131190052, 136581424, 149931488, 178043642, 188121584, 203478448, 262380104, 273162848, 356087284, 376243168, 406956896, 524760208, 623152747, 712174568, 1049520416, 1246305494, 1424349136, 2492610988, 2848698272, 4985221976, 9970443952, 19940887904]

約数ペア:

[(1, 19940887904), (2, 9970443952), (4, 4985221976), (7, 2848698272), (8, 2492610988), (14, 1424349136), (16, 1246305494), (19, 1049520416), (28, 712174568), (32, 623152747), (38, 524760208), (49, 406956896), (53, 376243168), (56, 356087284), (73, 273162848), (76, 262380104), (98, 203478448), (106, 188121584), (112, 178043642), (133, 149931488), (146, 136581424), (152, 131190052), (173, 115265248), (196, 101739224), (212, 94060792), (224, 89021821), (266, 74965744), (292, 68290712), (304, 65595026), (346, 57632624), (371, 53749024), (392, 50869612), (424, 47030396), (511, 39023264), (532, 37482872), (584, 34145356), (608, 32797513), (692, 28816312), (742, 26874512), (784, 25434806), (848, 23515198), (931, 21418784), (1007, 19802272), (1022, 19511632), (1064, 18741436), (1168, 17072678), (1211, 16466464), (1384, 14408156), (1387, 14376992), (1484, 13437256), (1568, 12717403), (1696, 11757599), (1862, 10709392), (2014, 9901136), (2044, 9755816), (2128, 9370718), (2336, 8536339), (2422, 8233232), (2597, 7678432), (2768, 7204078), (2774, 7188496), (2968, 6718628), (3287, 6066592), (3577, 5574752), (3724, 5354696), (3869, 5154016), (4028, 4950568), (4088, 4877908), (4256, 4685359), (4844, 4116616), (5194, 3839216), (5536, 3602039), (5548, 3594248), (5936, 3359314), (6574, 3033296), (7049, 2828896), (7154, 2787376), (7448, 2677348), (7738, 2577008), (8056, 2475284), (8176, 2438954), (8477, 2352352), (9169, 2174816), (9688, 2058308), (9709, 2053856), (10388, 1919608), (11096, 1797124), (11872, 1679657), (12629, 1578976), (13148, 1516648), (14098, 1414448), (14308, 1393688), (14896, 1338674), (15476, 1288504), (16112, 1237642), (16352, 1219477), (16954, 1176176), (18338, 1087408), (19376, 1029154), (19418, 1026928), (20776, 959804), (22192, 898562), (23009, 866656), (25258, 789488), (26296, 758324), (27083, 736288), (28196, 707224), (28616, 696844), (29792, 669337), (30952, 644252), (32224, 618821), (33908, 588088), (36676, 543704), (38752, 514577), (38836, 513464), (41552, 479902), (44384, 449281), (46018, 433328), (49343, 404128), (50516, 394744), (52592, 379162), (54166, 368144), (56392, 353612), (57232, 348422), (61904, 322126), (64183, 310688), (67816, 294044), (67963, 293408), (73352, 271852), (73511, 271264), (77672, 256732), (83104, 239951), (88403, 225568), (92036, 216664), (98686, 202064), (101032, 197372), (105184, 189581), (108332, 184072), (112784, 176806), (114464, 174211), (123808, 161063), (128366, 155344), (135632, 147022), (135926, 146704)]