18556160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 53961600

約数和(自身を除く): 35405440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 109, 112, 128, 133, 140, 152, 160, 190, 218, 224, 256, 266, 280, 304, 320, 380, 436, 448, 532, 545, 560, 608, 640, 665, 760, 763, 872, 896, 1064, 1090, 1120, 1216, 1280, 1330, 1520, 1526, 1744, 1792, 2071, 2128, 2180, 2240, 2432, 2660, 3040, 3052, 3488, 3815, 4142, 4256, 4360, 4480, 4864, 5320, 6080, 6104, 6976, 7630, 8284, 8512, 8720, 8960, 10355, 10640, 12160, 12208, 13952, 14497, 15260, 16568, 17024, 17440, 20710, 21280, 24320, 24416, 27904, 28994, 30520, 33136, 34048, 34880, 41420, 42560, 48832, 57988, 61040, 66272, 69760, 72485, 82840, 85120, 97664, 115976, 122080, 132544, 139520, 144970, 165680, 170240, 195328, 231952, 244160, 265088, 289940, 331360, 463904, 488320, 530176, 579880, 662720, 927808, 976640, 1159760, 1325440, 1855616, 2319520, 2650880, 3711232, 4639040, 9278080, 18556160]

約数ペア:

[(1, 18556160), (2, 9278080), (4, 4639040), (5, 3711232), (7, 2650880), (8, 2319520), (10, 1855616), (14, 1325440), (16, 1159760), (19, 976640), (20, 927808), (28, 662720), (32, 579880), (35, 530176), (38, 488320), (40, 463904), (56, 331360), (64, 289940), (70, 265088), (76, 244160), (80, 231952), (95, 195328), (109, 170240), (112, 165680), (128, 144970), (133, 139520), (140, 132544), (152, 122080), (160, 115976), (190, 97664), (218, 85120), (224, 82840), (256, 72485), (266, 69760), (280, 66272), (304, 61040), (320, 57988), (380, 48832), (436, 42560), (448, 41420), (532, 34880), (545, 34048), (560, 33136), (608, 30520), (640, 28994), (665, 27904), (760, 24416), (763, 24320), (872, 21280), (896, 20710), (1064, 17440), (1090, 17024), (1120, 16568), (1216, 15260), (1280, 14497), (1330, 13952), (1520, 12208), (1526, 12160), (1744, 10640), (1792, 10355), (2071, 8960), (2128, 8720), (2180, 8512), (2240, 8284), (2432, 7630), (2660, 6976), (3040, 6104), (3052, 6080), (3488, 5320), (3815, 4864), (4142, 4480), (4256, 4360)]