18794880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 70171920

約数和(自身を除く): 51377040

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, 144, 156, 160, 180, 192, 195, 208, 234, 240, 251, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 502, 520, 576, 585, 624, 640, 720, 753, 780, 832, 936, 960, 1004, 1040, 1152, 1170, 1248, 1255, 1440, 1506, 1560, 1664, 1872, 1920, 2008, 2080, 2259, 2340, 2496, 2510, 2880, 3012, 3120, 3263, 3744, 3765, 4016, 4160, 4518, 4680, 4992, 5020, 5760, 6024, 6240, 6526, 7488, 7530, 8032, 8320, 9036, 9360, 9789, 10040, 11295, 12048, 12480, 13052, 14976, 15060, 16064, 16315, 18072, 18720, 19578, 20080, 22590, 24096, 24960, 26104, 29367, 30120, 32128, 32630, 36144, 37440, 39156, 40160, 45180, 48192, 48945, 52208, 58734, 60240, 65260, 72288, 74880, 78312, 80320, 90360, 96384, 97890, 104416, 117468, 120480, 130520, 144576, 146835, 156624, 160640, 180720, 195780, 208832, 234936, 240960, 261040, 289152, 293670, 313248, 361440, 391560, 417664, 469872, 481920, 522080, 587340, 626496, 722880, 783120, 939744, 1044160, 1174680, 1252992, 1445760, 1566240, 1879488, 2088320, 2349360, 3132480, 3758976, 4698720, 6264960, 9397440, 18794880]

約数ペア:

[(1, 18794880), (2, 9397440), (3, 6264960), (4, 4698720), (5, 3758976), (6, 3132480), (8, 2349360), (9, 2088320), (10, 1879488), (12, 1566240), (13, 1445760), (15, 1252992), (16, 1174680), (18, 1044160), (20, 939744), (24, 783120), (26, 722880), (30, 626496), (32, 587340), (36, 522080), (39, 481920), (40, 469872), (45, 417664), (48, 391560), (52, 361440), (60, 313248), (64, 293670), (65, 289152), (72, 261040), (78, 240960), (80, 234936), (90, 208832), (96, 195780), (104, 180720), (117, 160640), (120, 156624), (128, 146835), (130, 144576), (144, 130520), (156, 120480), (160, 117468), (180, 104416), (192, 97890), (195, 96384), (208, 90360), (234, 80320), (240, 78312), (251, 74880), (260, 72288), (288, 65260), (312, 60240), (320, 58734), (360, 52208), (384, 48945), (390, 48192), (416, 45180), (468, 40160), (480, 39156), (502, 37440), (520, 36144), (576, 32630), (585, 32128), (624, 30120), (640, 29367), (720, 26104), (753, 24960), (780, 24096), (832, 22590), (936, 20080), (960, 19578), (1004, 18720), (1040, 18072), (1152, 16315), (1170, 16064), (1248, 15060), (1255, 14976), (1440, 13052), (1506, 12480), (1560, 12048), (1664, 11295), (1872, 10040), (1920, 9789), (2008, 9360), (2080, 9036), (2259, 8320), (2340, 8032), (2496, 7530), (2510, 7488), (2880, 6526), (3012, 6240), (3120, 6024), (3263, 5760), (3744, 5020), (3765, 4992), (4016, 4680), (4160, 4518)]