1855616

素因数分解:

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

素因数の和:149

約数の個数: 64

約数和(自身を含む): 4488000

約数和(自身を除く): 2632384

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 109, 112, 128, 133, 152, 218, 224, 266, 304, 436, 448, 532, 608, 763, 872, 896, 1064, 1216, 1526, 1744, 2071, 2128, 2432, 3052, 3488, 4142, 4256, 6104, 6976, 8284, 8512, 12208, 13952, 14497, 16568, 17024, 24416, 28994, 33136, 48832, 57988, 66272, 97664, 115976, 132544, 231952, 265088, 463904, 927808, 1855616]

約数ペア:

[(1, 1855616), (2, 927808), (4, 463904), (7, 265088), (8, 231952), (14, 132544), (16, 115976), (19, 97664), (28, 66272), (32, 57988), (38, 48832), (56, 33136), (64, 28994), (76, 24416), (109, 17024), (112, 16568), (128, 14497), (133, 13952), (152, 12208), (218, 8512), (224, 8284), (266, 6976), (304, 6104), (436, 4256), (448, 4142), (532, 3488), (608, 3052), (763, 2432), (872, 2128), (896, 2071), (1064, 1744), (1216, 1526)]