18566368

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 38054016

約数和(自身を除く): 19487648

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 103, 131, 172, 206, 262, 344, 412, 524, 688, 824, 1048, 1376, 1648, 2096, 3296, 4192, 4429, 5633, 8858, 11266, 13493, 17716, 22532, 26986, 35432, 45064, 53972, 70864, 90128, 107944, 141728, 180256, 215888, 431776, 580199, 1160398, 2320796, 4641592, 9283184, 18566368]

約数ペア:

[(1, 18566368), (2, 9283184), (4, 4641592), (8, 2320796), (16, 1160398), (32, 580199), (43, 431776), (86, 215888), (103, 180256), (131, 141728), (172, 107944), (206, 90128), (262, 70864), (344, 53972), (412, 45064), (524, 35432), (688, 26986), (824, 22532), (1048, 17716), (1376, 13493), (1648, 11266), (2096, 8858), (3296, 5633), (4192, 4429)]