19739520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 71604000

約数和(自身を除く): 51864480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 149, 160, 180, 184, 192, 207, 230, 240, 276, 288, 298, 320, 345, 360, 368, 384, 414, 447, 460, 480, 552, 576, 596, 640, 690, 720, 736, 745, 828, 894, 920, 960, 1035, 1104, 1152, 1192, 1341, 1380, 1440, 1472, 1490, 1656, 1788, 1840, 1920, 2070, 2208, 2235, 2384, 2682, 2760, 2880, 2944, 2980, 3312, 3427, 3576, 3680, 4140, 4416, 4470, 4768, 5364, 5520, 5760, 5960, 6624, 6705, 6854, 7152, 7360, 8280, 8832, 8940, 9536, 10281, 10728, 11040, 11920, 13248, 13410, 13708, 14304, 14720, 16560, 17135, 17880, 19072, 20562, 21456, 22080, 23840, 26496, 26820, 27416, 28608, 30843, 33120, 34270, 35760, 41124, 42912, 44160, 47680, 51405, 53640, 54832, 57216, 61686, 66240, 68540, 71520, 82248, 85824, 95360, 102810, 107280, 109664, 123372, 132480, 137080, 143040, 154215, 164496, 171648, 205620, 214560, 219328, 246744, 274160, 286080, 308430, 328992, 411240, 429120, 438656, 493488, 548320, 616860, 657984, 822480, 858240, 986976, 1096640, 1233720, 1315968, 1644960, 1973952, 2193280, 2467440, 3289920, 3947904, 4934880, 6579840, 9869760, 19739520]

約数ペア:

[(1, 19739520), (2, 9869760), (3, 6579840), (4, 4934880), (5, 3947904), (6, 3289920), (8, 2467440), (9, 2193280), (10, 1973952), (12, 1644960), (15, 1315968), (16, 1233720), (18, 1096640), (20, 986976), (23, 858240), (24, 822480), (30, 657984), (32, 616860), (36, 548320), (40, 493488), (45, 438656), (46, 429120), (48, 411240), (60, 328992), (64, 308430), (69, 286080), (72, 274160), (80, 246744), (90, 219328), (92, 214560), (96, 205620), (115, 171648), (120, 164496), (128, 154215), (138, 143040), (144, 137080), (149, 132480), (160, 123372), (180, 109664), (184, 107280), (192, 102810), (207, 95360), (230, 85824), (240, 82248), (276, 71520), (288, 68540), (298, 66240), (320, 61686), (345, 57216), (360, 54832), (368, 53640), (384, 51405), (414, 47680), (447, 44160), (460, 42912), (480, 41124), (552, 35760), (576, 34270), (596, 33120), (640, 30843), (690, 28608), (720, 27416), (736, 26820), (745, 26496), (828, 23840), (894, 22080), (920, 21456), (960, 20562), (1035, 19072), (1104, 17880), (1152, 17135), (1192, 16560), (1341, 14720), (1380, 14304), (1440, 13708), (1472, 13410), (1490, 13248), (1656, 11920), (1788, 11040), (1840, 10728), (1920, 10281), (2070, 9536), (2208, 8940), (2235, 8832), (2384, 8280), (2682, 7360), (2760, 7152), (2880, 6854), (2944, 6705), (2980, 6624), (3312, 5960), (3427, 5760), (3576, 5520), (3680, 5364), (4140, 4768), (4416, 4470)]