18443700

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 252

約数和(自身を含む): 68308128

約数和(自身を除く): 49864428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 25, 27, 30, 33, 36, 44, 45, 46, 50, 54, 55, 60, 66, 69, 75, 81, 90, 92, 99, 100, 108, 110, 115, 132, 135, 138, 150, 162, 165, 180, 198, 207, 220, 225, 230, 243, 253, 270, 275, 276, 297, 300, 324, 330, 345, 396, 405, 414, 450, 460, 486, 495, 506, 540, 550, 575, 594, 621, 660, 675, 690, 729, 759, 810, 825, 828, 891, 900, 972, 990, 1012, 1035, 1100, 1150, 1188, 1215, 1242, 1265, 1350, 1380, 1458, 1485, 1518, 1620, 1650, 1725, 1782, 1863, 1980, 2025, 2070, 2277, 2300, 2430, 2475, 2484, 2530, 2673, 2700, 2916, 2970, 3036, 3105, 3300, 3450, 3564, 3645, 3726, 3795, 4050, 4140, 4455, 4554, 4860, 4950, 5060, 5175, 5346, 5589, 5940, 6075, 6210, 6325, 6831, 6900, 7290, 7425, 7452, 7590, 8019, 8100, 8910, 9108, 9315, 9900, 10350, 10692, 11178, 11385, 12150, 12420, 12650, 13365, 13662, 14580, 14850, 15180, 15525, 16038, 16767, 17820, 18225, 18630, 18975, 20493, 20700, 22275, 22356, 22770, 24300, 25300, 26730, 27324, 27945, 29700, 31050, 32076, 33534, 34155, 36450, 37260, 37950, 40095, 40986, 44550, 45540, 46575, 53460, 55890, 56925, 61479, 62100, 66825, 67068, 68310, 72900, 75900, 80190, 81972, 83835, 89100, 93150, 102465, 111780, 113850, 122958, 133650, 136620, 139725, 160380, 167670, 170775, 184437, 186300, 200475, 204930, 227700, 245916, 267300, 279450, 307395, 335340, 341550, 368874, 400950, 409860, 419175, 512325, 558900, 614790, 683100, 737748, 801900, 838350, 922185, 1024650, 1229580, 1536975, 1676700, 1844370, 2049300, 3073950, 3688740, 4610925, 6147900, 9221850, 18443700]

約数ペア:

[(1, 18443700), (2, 9221850), (3, 6147900), (4, 4610925), (5, 3688740), (6, 3073950), (9, 2049300), (10, 1844370), (11, 1676700), (12, 1536975), (15, 1229580), (18, 1024650), (20, 922185), (22, 838350), (23, 801900), (25, 737748), (27, 683100), (30, 614790), (33, 558900), (36, 512325), (44, 419175), (45, 409860), (46, 400950), (50, 368874), (54, 341550), (55, 335340), (60, 307395), (66, 279450), (69, 267300), (75, 245916), (81, 227700), (90, 204930), (92, 200475), (99, 186300), (100, 184437), (108, 170775), (110, 167670), (115, 160380), (132, 139725), (135, 136620), (138, 133650), (150, 122958), (162, 113850), (165, 111780), (180, 102465), (198, 93150), (207, 89100), (220, 83835), (225, 81972), (230, 80190), (243, 75900), (253, 72900), (270, 68310), (275, 67068), (276, 66825), (297, 62100), (300, 61479), (324, 56925), (330, 55890), (345, 53460), (396, 46575), (405, 45540), (414, 44550), (450, 40986), (460, 40095), (486, 37950), (495, 37260), (506, 36450), (540, 34155), (550, 33534), (575, 32076), (594, 31050), (621, 29700), (660, 27945), (675, 27324), (690, 26730), (729, 25300), (759, 24300), (810, 22770), (825, 22356), (828, 22275), (891, 20700), (900, 20493), (972, 18975), (990, 18630), (1012, 18225), (1035, 17820), (1100, 16767), (1150, 16038), (1188, 15525), (1215, 15180), (1242, 14850), (1265, 14580), (1350, 13662), (1380, 13365), (1458, 12650), (1485, 12420), (1518, 12150), (1620, 11385), (1650, 11178), (1725, 10692), (1782, 10350), (1863, 9900), (1980, 9315), (2025, 9108), (2070, 8910), (2277, 8100), (2300, 8019), (2430, 7590), (2475, 7452), (2484, 7425), (2530, 7290), (2673, 6900), (2700, 6831), (2916, 6325), (2970, 6210), (3036, 6075), (3105, 5940), (3300, 5589), (3450, 5346), (3564, 5175), (3645, 5060), (3726, 4950), (3795, 4860), (4050, 4554), (4140, 4455)]