19031760

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 73120320

約数和(自身を除く): 54088560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 89, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 178, 180, 198, 216, 220, 240, 243, 264, 267, 270, 297, 324, 330, 356, 360, 396, 405, 432, 440, 445, 486, 495, 528, 534, 540, 594, 648, 660, 712, 720, 792, 801, 810, 880, 890, 891, 972, 979, 990, 1068, 1080, 1188, 1215, 1296, 1320, 1335, 1424, 1485, 1584, 1602, 1620, 1780, 1782, 1944, 1958, 1980, 2136, 2160, 2376, 2403, 2430, 2640, 2670, 2673, 2937, 2970, 3204, 3240, 3560, 3564, 3888, 3916, 3960, 4005, 4272, 4455, 4752, 4806, 4860, 4895, 5340, 5346, 5874, 5940, 6408, 6480, 7120, 7128, 7209, 7832, 7920, 8010, 8811, 8910, 9612, 9720, 9790, 10680, 10692, 11748, 11880, 12015, 12816, 13365, 14256, 14418, 14685, 15664, 16020, 17622, 17820, 19224, 19440, 19580, 21360, 21384, 21627, 23496, 23760, 24030, 26433, 26730, 28836, 29370, 32040, 35244, 35640, 36045, 38448, 39160, 42768, 43254, 44055, 46992, 48060, 52866, 53460, 57672, 58740, 64080, 70488, 71280, 72090, 78320, 79299, 86508, 88110, 96120, 105732, 106920, 108135, 115344, 117480, 132165, 140976, 144180, 158598, 173016, 176220, 192240, 211464, 213840, 216270, 234960, 237897, 264330, 288360, 317196, 346032, 352440, 396495, 422928, 432540, 475794, 528660, 576720, 634392, 704880, 792990, 865080, 951588, 1057320, 1189485, 1268784, 1585980, 1730160, 1903176, 2114640, 2378970, 3171960, 3806352, 4757940, 6343920, 9515880, 19031760]

約数ペア:

[(1, 19031760), (2, 9515880), (3, 6343920), (4, 4757940), (5, 3806352), (6, 3171960), (8, 2378970), (9, 2114640), (10, 1903176), (11, 1730160), (12, 1585980), (15, 1268784), (16, 1189485), (18, 1057320), (20, 951588), (22, 865080), (24, 792990), (27, 704880), (30, 634392), (33, 576720), (36, 528660), (40, 475794), (44, 432540), (45, 422928), (48, 396495), (54, 352440), (55, 346032), (60, 317196), (66, 288360), (72, 264330), (80, 237897), (81, 234960), (88, 216270), (89, 213840), (90, 211464), (99, 192240), (108, 176220), (110, 173016), (120, 158598), (132, 144180), (135, 140976), (144, 132165), (162, 117480), (165, 115344), (176, 108135), (178, 106920), (180, 105732), (198, 96120), (216, 88110), (220, 86508), (240, 79299), (243, 78320), (264, 72090), (267, 71280), (270, 70488), (297, 64080), (324, 58740), (330, 57672), (356, 53460), (360, 52866), (396, 48060), (405, 46992), (432, 44055), (440, 43254), (445, 42768), (486, 39160), (495, 38448), (528, 36045), (534, 35640), (540, 35244), (594, 32040), (648, 29370), (660, 28836), (712, 26730), (720, 26433), (792, 24030), (801, 23760), (810, 23496), (880, 21627), (890, 21384), (891, 21360), (972, 19580), (979, 19440), (990, 19224), (1068, 17820), (1080, 17622), (1188, 16020), (1215, 15664), (1296, 14685), (1320, 14418), (1335, 14256), (1424, 13365), (1485, 12816), (1584, 12015), (1602, 11880), (1620, 11748), (1780, 10692), (1782, 10680), (1944, 9790), (1958, 9720), (1980, 9612), (2136, 8910), (2160, 8811), (2376, 8010), (2403, 7920), (2430, 7832), (2640, 7209), (2670, 7128), (2673, 7120), (2937, 6480), (2970, 6408), (3204, 5940), (3240, 5874), (3560, 5346), (3564, 5340), (3888, 4895), (3916, 4860), (3960, 4806), (4005, 4752), (4272, 4455)]