18879616

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1149

約数の個数: 64

約数和(自身を含む): 45288000

約数和(自身を除く): 26408384

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1109, 1216, 2128, 2218, 2432, 4256, 4436, 7763, 8512, 8872, 15526, 17024, 17744, 21071, 31052, 35488, 42142, 62104, 70976, 84284, 124208, 141952, 147497, 168568, 248416, 294994, 337136, 496832, 589988, 674272, 993664, 1179976, 1348544, 2359952, 2697088, 4719904, 9439808, 18879616]

約数ペア:

[(1, 18879616), (2, 9439808), (4, 4719904), (7, 2697088), (8, 2359952), (14, 1348544), (16, 1179976), (19, 993664), (28, 674272), (32, 589988), (38, 496832), (56, 337136), (64, 294994), (76, 248416), (112, 168568), (128, 147497), (133, 141952), (152, 124208), (224, 84284), (266, 70976), (304, 62104), (448, 42142), (532, 35488), (608, 31052), (896, 21071), (1064, 17744), (1109, 17024), (1216, 15526), (2128, 8872), (2218, 8512), (2432, 7763), (4256, 4436)]