19918364032

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{2857}}^1$

素因数の和:3160

約数の個数: 128

約数和(自身を含む): 47015700480

約数和(自身を除く): 27097336448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 251, 434, 448, 496, 502, 868, 896, 992, 1004, 1736, 1757, 1984, 2008, 2857, 3472, 3514, 3968, 4016, 5714, 6944, 7028, 7781, 8032, 11428, 13888, 14056, 15562, 16064, 19999, 22856, 27776, 28112, 31124, 32128, 39998, 45712, 54467, 56224, 62248, 79996, 88567, 91424, 108934, 112448, 124496, 159992, 177134, 182848, 217868, 224896, 248992, 319984, 354268, 365696, 435736, 497984, 619969, 639968, 708536, 717107, 871472, 995968, 1239938, 1279936, 1417072, 1434214, 1742944, 2479876, 2559872, 2834144, 2868428, 3485888, 4959752, 5019749, 5668288, 5736856, 6971776, 9919504, 10039498, 11336576, 11473712, 19839008, 20078996, 22230317, 22947424, 39678016, 40157992, 44460634, 45894848, 79356032, 80315984, 88921268, 91789696, 155612219, 160631968, 177842536, 311224438, 321263936, 355685072, 622448876, 642527872, 711370144, 1244897752, 1422740288, 2489795504, 2845480576, 4979591008, 9959182016, 19918364032]

約数ペア:

[(1, 19918364032), (2, 9959182016), (4, 4979591008), (7, 2845480576), (8, 2489795504), (14, 1422740288), (16, 1244897752), (28, 711370144), (31, 642527872), (32, 622448876), (56, 355685072), (62, 321263936), (64, 311224438), (112, 177842536), (124, 160631968), (128, 155612219), (217, 91789696), (224, 88921268), (248, 80315984), (251, 79356032), (434, 45894848), (448, 44460634), (496, 40157992), (502, 39678016), (868, 22947424), (896, 22230317), (992, 20078996), (1004, 19839008), (1736, 11473712), (1757, 11336576), (1984, 10039498), (2008, 9919504), (2857, 6971776), (3472, 5736856), (3514, 5668288), (3968, 5019749), (4016, 4959752), (5714, 3485888), (6944, 2868428), (7028, 2834144), (7781, 2559872), (8032, 2479876), (11428, 1742944), (13888, 1434214), (14056, 1417072), (15562, 1279936), (16064, 1239938), (19999, 995968), (22856, 871472), (27776, 717107), (28112, 708536), (31124, 639968), (32128, 619969), (39998, 497984), (45712, 435736), (54467, 365696), (56224, 354268), (62248, 319984), (79996, 248992), (88567, 224896), (91424, 217868), (108934, 182848), (112448, 177134), (124496, 159992)]