19493760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 256

約数和(自身を含む): 74027520

約数和(自身を除く): 54533760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 71, 78, 80, 88, 96, 104, 110, 120, 128, 130, 132, 142, 143, 156, 160, 165, 176, 192, 195, 208, 213, 220, 240, 260, 264, 284, 286, 312, 320, 330, 352, 355, 384, 390, 416, 426, 429, 440, 480, 520, 528, 568, 572, 624, 640, 660, 704, 710, 715, 780, 781, 832, 852, 858, 880, 923, 960, 1040, 1056, 1065, 1136, 1144, 1248, 1320, 1408, 1420, 1430, 1560, 1562, 1664, 1704, 1716, 1760, 1846, 1920, 2080, 2112, 2130, 2145, 2272, 2288, 2343, 2496, 2640, 2769, 2840, 2860, 3120, 3124, 3408, 3432, 3520, 3692, 3905, 4160, 4224, 4260, 4290, 4544, 4576, 4615, 4686, 4992, 5280, 5538, 5680, 5720, 6240, 6248, 6816, 6864, 7040, 7384, 7810, 8320, 8520, 8580, 9088, 9152, 9230, 9372, 10153, 10560, 11076, 11360, 11440, 11715, 12480, 12496, 13632, 13728, 13845, 14768, 15620, 17040, 17160, 18304, 18460, 18744, 20306, 21120, 22152, 22720, 22880, 23430, 24960, 24992, 27264, 27456, 27690, 29536, 30459, 31240, 34080, 34320, 36920, 37488, 40612, 44304, 45440, 45760, 46860, 49984, 50765, 54912, 55380, 59072, 60918, 62480, 68160, 68640, 73840, 74976, 81224, 88608, 91520, 93720, 99968, 101530, 110760, 118144, 121836, 124960, 136320, 137280, 147680, 149952, 152295, 162448, 177216, 187440, 203060, 221520, 243672, 249920, 274560, 295360, 299904, 304590, 324896, 354432, 374880, 406120, 443040, 487344, 499840, 590720, 609180, 649792, 749760, 812240, 886080, 974688, 1218360, 1299584, 1499520, 1624480, 1772160, 1949376, 2436720, 3248960, 3898752, 4873440, 6497920, 9746880, 19493760]

約数ペア:

[(1, 19493760), (2, 9746880), (3, 6497920), (4, 4873440), (5, 3898752), (6, 3248960), (8, 2436720), (10, 1949376), (11, 1772160), (12, 1624480), (13, 1499520), (15, 1299584), (16, 1218360), (20, 974688), (22, 886080), (24, 812240), (26, 749760), (30, 649792), (32, 609180), (33, 590720), (39, 499840), (40, 487344), (44, 443040), (48, 406120), (52, 374880), (55, 354432), (60, 324896), (64, 304590), (65, 299904), (66, 295360), (71, 274560), (78, 249920), (80, 243672), (88, 221520), (96, 203060), (104, 187440), (110, 177216), (120, 162448), (128, 152295), (130, 149952), (132, 147680), (142, 137280), (143, 136320), (156, 124960), (160, 121836), (165, 118144), (176, 110760), (192, 101530), (195, 99968), (208, 93720), (213, 91520), (220, 88608), (240, 81224), (260, 74976), (264, 73840), (284, 68640), (286, 68160), (312, 62480), (320, 60918), (330, 59072), (352, 55380), (355, 54912), (384, 50765), (390, 49984), (416, 46860), (426, 45760), (429, 45440), (440, 44304), (480, 40612), (520, 37488), (528, 36920), (568, 34320), (572, 34080), (624, 31240), (640, 30459), (660, 29536), (704, 27690), (710, 27456), (715, 27264), (780, 24992), (781, 24960), (832, 23430), (852, 22880), (858, 22720), (880, 22152), (923, 21120), (960, 20306), (1040, 18744), (1056, 18460), (1065, 18304), (1136, 17160), (1144, 17040), (1248, 15620), (1320, 14768), (1408, 13845), (1420, 13728), (1430, 13632), (1560, 12496), (1562, 12480), (1664, 11715), (1704, 11440), (1716, 11360), (1760, 11076), (1846, 10560), (1920, 10153), (2080, 9372), (2112, 9230), (2130, 9152), (2145, 9088), (2272, 8580), (2288, 8520), (2343, 8320), (2496, 7810), (2640, 7384), (2769, 7040), (2840, 6864), (2860, 6816), (3120, 6248), (3124, 6240), (3408, 5720), (3432, 5680), (3520, 5538), (3692, 5280), (3905, 4992), (4160, 4686), (4224, 4615), (4260, 4576), (4290, 4544)]