18881100

素因数分解:

$2^2\times 3^6\times 5^2\times 7^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 252

約数和(自身を含む): 72103024

約数和(自身を除く): 53221924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 37, 42, 45, 50, 54, 60, 63, 70, 74, 75, 81, 84, 90, 100, 105, 108, 111, 126, 135, 140, 148, 150, 162, 175, 180, 185, 189, 210, 222, 225, 243, 252, 259, 270, 300, 315, 324, 333, 350, 370, 378, 405, 420, 444, 450, 486, 518, 525, 540, 555, 567, 630, 666, 675, 700, 729, 740, 756, 777, 810, 900, 925, 945, 972, 999, 1036, 1050, 1110, 1134, 1215, 1260, 1295, 1332, 1350, 1458, 1554, 1575, 1620, 1665, 1701, 1850, 1890, 1998, 2025, 2100, 2220, 2268, 2331, 2430, 2590, 2700, 2775, 2835, 2916, 2997, 3108, 3150, 3330, 3402, 3645, 3700, 3780, 3885, 3996, 4050, 4662, 4725, 4860, 4995, 5103, 5180, 5550, 5670, 5994, 6075, 6300, 6475, 6660, 6804, 6993, 7290, 7770, 8100, 8325, 8505, 8991, 9324, 9450, 9990, 10206, 11100, 11340, 11655, 11988, 12150, 12950, 13986, 14175, 14580, 14985, 15540, 16650, 17010, 17982, 18225, 18900, 19425, 19980, 20412, 20979, 23310, 24300, 24975, 25515, 25900, 26973, 27972, 28350, 29970, 33300, 34020, 34965, 35964, 36450, 38850, 41958, 42525, 44955, 46620, 49950, 51030, 53946, 56700, 58275, 59940, 62937, 69930, 72900, 74925, 77700, 83916, 85050, 89910, 99900, 102060, 104895, 107892, 116550, 125874, 127575, 134865, 139860, 149850, 170100, 174825, 179820, 188811, 209790, 224775, 233100, 251748, 255150, 269730, 299700, 314685, 349650, 377622, 419580, 449550, 510300, 524475, 539460, 629370, 674325, 699300, 755244, 899100, 944055, 1048950, 1258740, 1348650, 1573425, 1888110, 2097900, 2697300, 3146850, 3776220, 4720275, 6293700, 9440550, 18881100]

約数ペア:

[(1, 18881100), (2, 9440550), (3, 6293700), (4, 4720275), (5, 3776220), (6, 3146850), (7, 2697300), (9, 2097900), (10, 1888110), (12, 1573425), (14, 1348650), (15, 1258740), (18, 1048950), (20, 944055), (21, 899100), (25, 755244), (27, 699300), (28, 674325), (30, 629370), (35, 539460), (36, 524475), (37, 510300), (42, 449550), (45, 419580), (50, 377622), (54, 349650), (60, 314685), (63, 299700), (70, 269730), (74, 255150), (75, 251748), (81, 233100), (84, 224775), (90, 209790), (100, 188811), (105, 179820), (108, 174825), (111, 170100), (126, 149850), (135, 139860), (140, 134865), (148, 127575), (150, 125874), (162, 116550), (175, 107892), (180, 104895), (185, 102060), (189, 99900), (210, 89910), (222, 85050), (225, 83916), (243, 77700), (252, 74925), (259, 72900), (270, 69930), (300, 62937), (315, 59940), (324, 58275), (333, 56700), (350, 53946), (370, 51030), (378, 49950), (405, 46620), (420, 44955), (444, 42525), (450, 41958), (486, 38850), (518, 36450), (525, 35964), (540, 34965), (555, 34020), (567, 33300), (630, 29970), (666, 28350), (675, 27972), (700, 26973), (729, 25900), (740, 25515), (756, 24975), (777, 24300), (810, 23310), (900, 20979), (925, 20412), (945, 19980), (972, 19425), (999, 18900), (1036, 18225), (1050, 17982), (1110, 17010), (1134, 16650), (1215, 15540), (1260, 14985), (1295, 14580), (1332, 14175), (1350, 13986), (1458, 12950), (1554, 12150), (1575, 11988), (1620, 11655), (1665, 11340), (1701, 11100), (1850, 10206), (1890, 9990), (1998, 9450), (2025, 9324), (2100, 8991), (2220, 8505), (2268, 8325), (2331, 8100), (2430, 7770), (2590, 7290), (2700, 6993), (2775, 6804), (2835, 6660), (2916, 6475), (2997, 6300), (3108, 6075), (3150, 5994), (3330, 5670), (3402, 5550), (3645, 5180), (3700, 5103), (3780, 4995), (3885, 4860), (3996, 4725), (4050, 4662)]