19573920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 71850240

約数和(自身を除く): 52276320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 197, 207, 216, 230, 240, 270, 276, 288, 345, 360, 368, 394, 414, 432, 460, 480, 540, 552, 591, 621, 690, 720, 736, 788, 828, 864, 920, 985, 1035, 1080, 1104, 1182, 1242, 1380, 1440, 1576, 1656, 1773, 1840, 1970, 2070, 2160, 2208, 2364, 2484, 2760, 2955, 3105, 3152, 3312, 3546, 3680, 3940, 4140, 4320, 4531, 4728, 4968, 5319, 5520, 5910, 6210, 6304, 6624, 7092, 7880, 8280, 8865, 9062, 9456, 9936, 10638, 11040, 11820, 12420, 13593, 14184, 15760, 16560, 17730, 18124, 18912, 19872, 21276, 22655, 23640, 24840, 26595, 27186, 28368, 31520, 33120, 35460, 36248, 40779, 42552, 45310, 47280, 49680, 53190, 54372, 56736, 67965, 70920, 72496, 81558, 85104, 90620, 94560, 99360, 106380, 108744, 122337, 135930, 141840, 144992, 163116, 170208, 181240, 203895, 212760, 217488, 244674, 271860, 283680, 326232, 362480, 407790, 425520, 434976, 489348, 543720, 611685, 652464, 724960, 815580, 851040, 978696, 1087440, 1223370, 1304928, 1631160, 1957392, 2174880, 2446740, 3262320, 3914784, 4893480, 6524640, 9786960, 19573920]

約数ペア:

[(1, 19573920), (2, 9786960), (3, 6524640), (4, 4893480), (5, 3914784), (6, 3262320), (8, 2446740), (9, 2174880), (10, 1957392), (12, 1631160), (15, 1304928), (16, 1223370), (18, 1087440), (20, 978696), (23, 851040), (24, 815580), (27, 724960), (30, 652464), (32, 611685), (36, 543720), (40, 489348), (45, 434976), (46, 425520), (48, 407790), (54, 362480), (60, 326232), (69, 283680), (72, 271860), (80, 244674), (90, 217488), (92, 212760), (96, 203895), (108, 181240), (115, 170208), (120, 163116), (135, 144992), (138, 141840), (144, 135930), (160, 122337), (180, 108744), (184, 106380), (197, 99360), (207, 94560), (216, 90620), (230, 85104), (240, 81558), (270, 72496), (276, 70920), (288, 67965), (345, 56736), (360, 54372), (368, 53190), (394, 49680), (414, 47280), (432, 45310), (460, 42552), (480, 40779), (540, 36248), (552, 35460), (591, 33120), (621, 31520), (690, 28368), (720, 27186), (736, 26595), (788, 24840), (828, 23640), (864, 22655), (920, 21276), (985, 19872), (1035, 18912), (1080, 18124), (1104, 17730), (1182, 16560), (1242, 15760), (1380, 14184), (1440, 13593), (1576, 12420), (1656, 11820), (1773, 11040), (1840, 10638), (1970, 9936), (2070, 9456), (2160, 9062), (2208, 8865), (2364, 8280), (2484, 7880), (2760, 7092), (2955, 6624), (3105, 6304), (3152, 6210), (3312, 5910), (3546, 5520), (3680, 5319), (3940, 4968), (4140, 4728), (4320, 4531)]