19867712512

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{1021}}^1$

素因数の和:1685

約数の個数: 88

約数和(自身を含む): 41104284032

約数和(自身を除く): 21236571520

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 613, 992, 1021, 1024, 1226, 1984, 2042, 2452, 3968, 4084, 4904, 7936, 8168, 9808, 15872, 16336, 19003, 19616, 31651, 31744, 32672, 38006, 39232, 63302, 65344, 76012, 78464, 126604, 130688, 152024, 156928, 253208, 261376, 304048, 313856, 506416, 522752, 608096, 625873, 627712, 1012832, 1045504, 1216192, 1251746, 2025664, 2432384, 2503492, 4051328, 4864768, 5006984, 8102656, 9729536, 10013968, 16205312, 19402063, 19459072, 20027936, 32410624, 38804126, 40055872, 77608252, 80111744, 155216504, 160223488, 310433008, 320446976, 620866016, 640893952, 1241732032, 2483464064, 4966928128, 9933856256, 19867712512]

約数ペア:

[(1, 19867712512), (2, 9933856256), (4, 4966928128), (8, 2483464064), (16, 1241732032), (31, 640893952), (32, 620866016), (62, 320446976), (64, 310433008), (124, 160223488), (128, 155216504), (248, 80111744), (256, 77608252), (496, 40055872), (512, 38804126), (613, 32410624), (992, 20027936), (1021, 19459072), (1024, 19402063), (1226, 16205312), (1984, 10013968), (2042, 9729536), (2452, 8102656), (3968, 5006984), (4084, 4864768), (4904, 4051328), (7936, 2503492), (8168, 2432384), (9808, 2025664), (15872, 1251746), (16336, 1216192), (19003, 1045504), (19616, 1012832), (31651, 627712), (31744, 625873), (32672, 608096), (38006, 522752), (39232, 506416), (63302, 313856), (65344, 304048), (76012, 261376), (78464, 253208), (126604, 156928), (130688, 152024)]