19618560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 216

約数和(自身を含む): 73657584

約数和(自身を除く): 54039024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 131, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 262, 288, 312, 320, 360, 384, 390, 393, 416, 468, 480, 520, 524, 576, 585, 624, 640, 655, 720, 768, 780, 786, 832, 936, 960, 1040, 1048, 1152, 1170, 1179, 1248, 1280, 1310, 1440, 1560, 1572, 1664, 1703, 1872, 1920, 1965, 2080, 2096, 2304, 2340, 2358, 2496, 2620, 2880, 3120, 3144, 3328, 3406, 3744, 3840, 3930, 4160, 4192, 4680, 4716, 4992, 5109, 5240, 5760, 5895, 6240, 6288, 6812, 7488, 7860, 8320, 8384, 8515, 9360, 9432, 9984, 10218, 10480, 11520, 11790, 12480, 12576, 13624, 14976, 15327, 15720, 16640, 16768, 17030, 18720, 18864, 20436, 20960, 23580, 24960, 25152, 25545, 27248, 29952, 30654, 31440, 33536, 34060, 37440, 37728, 40872, 41920, 47160, 49920, 50304, 51090, 54496, 61308, 62880, 68120, 74880, 75456, 76635, 81744, 83840, 94320, 100608, 102180, 108992, 122616, 125760, 136240, 149760, 150912, 153270, 163488, 167680, 188640, 204360, 217984, 245232, 251520, 272480, 301824, 306540, 326976, 377280, 408720, 435968, 490464, 503040, 544960, 613080, 653952, 754560, 817440, 980928, 1089920, 1226160, 1307904, 1509120, 1634880, 1961856, 2179840, 2452320, 3269760, 3923712, 4904640, 6539520, 9809280, 19618560]

約数ペア:

[(1, 19618560), (2, 9809280), (3, 6539520), (4, 4904640), (5, 3923712), (6, 3269760), (8, 2452320), (9, 2179840), (10, 1961856), (12, 1634880), (13, 1509120), (15, 1307904), (16, 1226160), (18, 1089920), (20, 980928), (24, 817440), (26, 754560), (30, 653952), (32, 613080), (36, 544960), (39, 503040), (40, 490464), (45, 435968), (48, 408720), (52, 377280), (60, 326976), (64, 306540), (65, 301824), (72, 272480), (78, 251520), (80, 245232), (90, 217984), (96, 204360), (104, 188640), (117, 167680), (120, 163488), (128, 153270), (130, 150912), (131, 149760), (144, 136240), (156, 125760), (160, 122616), (180, 108992), (192, 102180), (195, 100608), (208, 94320), (234, 83840), (240, 81744), (256, 76635), (260, 75456), (262, 74880), (288, 68120), (312, 62880), (320, 61308), (360, 54496), (384, 51090), (390, 50304), (393, 49920), (416, 47160), (468, 41920), (480, 40872), (520, 37728), (524, 37440), (576, 34060), (585, 33536), (624, 31440), (640, 30654), (655, 29952), (720, 27248), (768, 25545), (780, 25152), (786, 24960), (832, 23580), (936, 20960), (960, 20436), (1040, 18864), (1048, 18720), (1152, 17030), (1170, 16768), (1179, 16640), (1248, 15720), (1280, 15327), (1310, 14976), (1440, 13624), (1560, 12576), (1572, 12480), (1664, 11790), (1703, 11520), (1872, 10480), (1920, 10218), (1965, 9984), (2080, 9432), (2096, 9360), (2304, 8515), (2340, 8384), (2358, 8320), (2496, 7860), (2620, 7488), (2880, 6812), (3120, 6288), (3144, 6240), (3328, 5895), (3406, 5760), (3744, 5240), (3840, 5109), (3930, 4992), (4160, 4716), (4192, 4680)]