18829894016

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{110359}}^1$

素因数の和:110447

約数の個数: 64

約数和(自身を含む): 39623654400

約数和(自身を除く): 20793760384

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 344, 496, 688, 992, 1333, 1376, 1984, 2666, 2752, 3968, 5332, 5504, 10664, 21328, 42656, 85312, 110359, 170624, 220718, 441436, 882872, 1765744, 3421129, 3531488, 4745437, 6842258, 7062976, 9490874, 13684516, 14125952, 18981748, 27369032, 37963496, 54738064, 75926992, 109476128, 147108547, 151853984, 218952256, 294217094, 303707968, 437904512, 588434188, 607415936, 1176868376, 2353736752, 4707473504, 9414947008, 18829894016]

約数ペア:

[(1, 18829894016), (2, 9414947008), (4, 4707473504), (8, 2353736752), (16, 1176868376), (31, 607415936), (32, 588434188), (43, 437904512), (62, 303707968), (64, 294217094), (86, 218952256), (124, 151853984), (128, 147108547), (172, 109476128), (248, 75926992), (344, 54738064), (496, 37963496), (688, 27369032), (992, 18981748), (1333, 14125952), (1376, 13684516), (1984, 9490874), (2666, 7062976), (2752, 6842258), (3968, 4745437), (5332, 3531488), (5504, 3421129), (10664, 1765744), (21328, 882872), (42656, 441436), (85312, 220718), (110359, 170624)]