18923520

素因数分解:

$2^{14}\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:54

約数の個数: 240

約数和(自身を含む): 75495168

約数和(自身を除く): 56571648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 512, 528, 560, 616, 640, 660, 672, 704, 768, 770, 840, 880, 896, 924, 960, 1024, 1056, 1120, 1155, 1232, 1280, 1320, 1344, 1408, 1536, 1540, 1680, 1760, 1792, 1848, 1920, 2048, 2112, 2240, 2310, 2464, 2560, 2640, 2688, 2816, 3072, 3080, 3360, 3520, 3584, 3696, 3840, 4096, 4224, 4480, 4620, 4928, 5120, 5280, 5376, 5632, 6144, 6160, 6720, 7040, 7168, 7392, 7680, 8192, 8448, 8960, 9240, 9856, 10240, 10560, 10752, 11264, 12288, 12320, 13440, 14080, 14336, 14784, 15360, 16384, 16896, 17920, 18480, 19712, 20480, 21120, 21504, 22528, 24576, 24640, 26880, 28160, 28672, 29568, 30720, 33792, 35840, 36960, 39424, 40960, 42240, 43008, 45056, 49152, 49280, 53760, 56320, 57344, 59136, 61440, 67584, 71680, 73920, 78848, 81920, 84480, 86016, 90112, 98560, 107520, 112640, 114688, 118272, 122880, 135168, 143360, 147840, 157696, 168960, 172032, 180224, 197120, 215040, 225280, 236544, 245760, 270336, 286720, 295680, 315392, 337920, 344064, 394240, 430080, 450560, 473088, 540672, 573440, 591360, 630784, 675840, 788480, 860160, 901120, 946176, 1182720, 1261568, 1351680, 1576960, 1720320, 1892352, 2365440, 2703360, 3153920, 3784704, 4730880, 6307840, 9461760, 18923520]

約数ペア:

[(1, 18923520), (2, 9461760), (3, 6307840), (4, 4730880), (5, 3784704), (6, 3153920), (7, 2703360), (8, 2365440), (10, 1892352), (11, 1720320), (12, 1576960), (14, 1351680), (15, 1261568), (16, 1182720), (20, 946176), (21, 901120), (22, 860160), (24, 788480), (28, 675840), (30, 630784), (32, 591360), (33, 573440), (35, 540672), (40, 473088), (42, 450560), (44, 430080), (48, 394240), (55, 344064), (56, 337920), (60, 315392), (64, 295680), (66, 286720), (70, 270336), (77, 245760), (80, 236544), (84, 225280), (88, 215040), (96, 197120), (105, 180224), (110, 172032), (112, 168960), (120, 157696), (128, 147840), (132, 143360), (140, 135168), (154, 122880), (160, 118272), (165, 114688), (168, 112640), (176, 107520), (192, 98560), (210, 90112), (220, 86016), (224, 84480), (231, 81920), (240, 78848), (256, 73920), (264, 71680), (280, 67584), (308, 61440), (320, 59136), (330, 57344), (336, 56320), (352, 53760), (384, 49280), (385, 49152), (420, 45056), (440, 43008), (448, 42240), (462, 40960), (480, 39424), (512, 36960), (528, 35840), (560, 33792), (616, 30720), (640, 29568), (660, 28672), (672, 28160), (704, 26880), (768, 24640), (770, 24576), (840, 22528), (880, 21504), (896, 21120), (924, 20480), (960, 19712), (1024, 18480), (1056, 17920), (1120, 16896), (1155, 16384), (1232, 15360), (1280, 14784), (1320, 14336), (1344, 14080), (1408, 13440), (1536, 12320), (1540, 12288), (1680, 11264), (1760, 10752), (1792, 10560), (1848, 10240), (1920, 9856), (2048, 9240), (2112, 8960), (2240, 8448), (2310, 8192), (2464, 7680), (2560, 7392), (2640, 7168), (2688, 7040), (2816, 6720), (3072, 6160), (3080, 6144), (3360, 5632), (3520, 5376), (3584, 5280), (3696, 5120), (3840, 4928), (4096, 4620), (4224, 4480)]