18834492928

素因数分解:

$2^9\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:560

約数の個数: 120

約数和(自身を含む): 39373919640

約数和(自身を除く): 20539426712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 124, 128, 202, 248, 256, 379, 404, 496, 512, 758, 808, 961, 992, 1516, 1616, 1922, 1984, 3032, 3131, 3232, 3844, 3968, 6064, 6262, 6464, 7688, 7936, 11749, 12128, 12524, 12928, 15376, 15872, 23498, 24256, 25048, 25856, 30752, 38279, 46996, 48512, 50096, 51712, 61504, 76558, 93992, 97024, 97061, 100192, 123008, 153116, 187984, 194048, 194122, 200384, 246016, 306232, 364219, 375968, 388244, 400768, 492032, 612464, 728438, 751936, 776488, 801536, 1186649, 1224928, 1456876, 1503872, 1552976, 1603072, 2373298, 2449856, 2913752, 3007744, 3105952, 4746596, 4899712, 5827504, 6015488, 6211904, 9493192, 9799424, 11655008, 12423808, 18986384, 19598848, 23310016, 24847616, 36786119, 37972768, 46620032, 49695232, 73572238, 75945536, 93240064, 147144476, 151891072, 186480128, 294288952, 303782144, 588577904, 607564288, 1177155808, 2354311616, 4708623232, 9417246464, 18834492928]

約数ペア:

[(1, 18834492928), (2, 9417246464), (4, 4708623232), (8, 2354311616), (16, 1177155808), (31, 607564288), (32, 588577904), (62, 303782144), (64, 294288952), (101, 186480128), (124, 151891072), (128, 147144476), (202, 93240064), (248, 75945536), (256, 73572238), (379, 49695232), (404, 46620032), (496, 37972768), (512, 36786119), (758, 24847616), (808, 23310016), (961, 19598848), (992, 18986384), (1516, 12423808), (1616, 11655008), (1922, 9799424), (1984, 9493192), (3032, 6211904), (3131, 6015488), (3232, 5827504), (3844, 4899712), (3968, 4746596), (6064, 3105952), (6262, 3007744), (6464, 2913752), (7688, 2449856), (7936, 2373298), (11749, 1603072), (12128, 1552976), (12524, 1503872), (12928, 1456876), (15376, 1224928), (15872, 1186649), (23498, 801536), (24256, 776488), (25048, 751936), (25856, 728438), (30752, 612464), (38279, 492032), (46996, 400768), (48512, 388244), (50096, 375968), (51712, 364219), (61504, 306232), (76558, 246016), (93992, 200384), (97024, 194122), (97061, 194048), (100192, 187984), (123008, 153116)]