18212048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 36598848

約数和(自身を除く): 18386800

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 257, 344, 412, 514, 688, 824, 1028, 1648, 2056, 4112, 4429, 8858, 11051, 17716, 22102, 26471, 35432, 44204, 52942, 70864, 88408, 105884, 176816, 211768, 423536, 1138253, 2276506, 4553012, 9106024, 18212048]

約数ペア:

[(1, 18212048), (2, 9106024), (4, 4553012), (8, 2276506), (16, 1138253), (43, 423536), (86, 211768), (103, 176816), (172, 105884), (206, 88408), (257, 70864), (344, 52942), (412, 44204), (514, 35432), (688, 26471), (824, 22102), (1028, 17716), (1648, 11051), (2056, 8858), (4112, 4429)]