19188480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 64753920

約数和(自身を除く): 45565440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 263, 285, 304, 320, 380, 384, 456, 480, 526, 570, 608, 640, 760, 768, 789, 912, 960, 1052, 1140, 1216, 1280, 1315, 1520, 1578, 1824, 1920, 2104, 2280, 2432, 2630, 3040, 3156, 3648, 3840, 3945, 4208, 4560, 4864, 4997, 5260, 6080, 6312, 7296, 7890, 8416, 9120, 9994, 10520, 12160, 12624, 14592, 14991, 15780, 16832, 18240, 19988, 21040, 24320, 24985, 25248, 29982, 31560, 33664, 36480, 39976, 42080, 49970, 50496, 59964, 63120, 67328, 72960, 74955, 79952, 84160, 99940, 100992, 119928, 126240, 149910, 159904, 168320, 199880, 201984, 239856, 252480, 299820, 319808, 336640, 399760, 479712, 504960, 599640, 639616, 799520, 959424, 1009920, 1199280, 1279232, 1599040, 1918848, 2398560, 3198080, 3837696, 4797120, 6396160, 9594240, 19188480]

約数ペア:

[(1, 19188480), (2, 9594240), (3, 6396160), (4, 4797120), (5, 3837696), (6, 3198080), (8, 2398560), (10, 1918848), (12, 1599040), (15, 1279232), (16, 1199280), (19, 1009920), (20, 959424), (24, 799520), (30, 639616), (32, 599640), (38, 504960), (40, 479712), (48, 399760), (57, 336640), (60, 319808), (64, 299820), (76, 252480), (80, 239856), (95, 201984), (96, 199880), (114, 168320), (120, 159904), (128, 149910), (152, 126240), (160, 119928), (190, 100992), (192, 99940), (228, 84160), (240, 79952), (256, 74955), (263, 72960), (285, 67328), (304, 63120), (320, 59964), (380, 50496), (384, 49970), (456, 42080), (480, 39976), (526, 36480), (570, 33664), (608, 31560), (640, 29982), (760, 25248), (768, 24985), (789, 24320), (912, 21040), (960, 19988), (1052, 18240), (1140, 16832), (1216, 15780), (1280, 14991), (1315, 14592), (1520, 12624), (1578, 12160), (1824, 10520), (1920, 9994), (2104, 9120), (2280, 8416), (2432, 7890), (2630, 7296), (3040, 6312), (3156, 6080), (3648, 5260), (3840, 4997), (3945, 4864), (4208, 4560)]