18314992

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 40

約数和(自身を含む): 37381536

約数和(自身を除く): 19066544

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 157, 184, 314, 317, 368, 628, 634, 1256, 1268, 2512, 2536, 3611, 5072, 7222, 7291, 14444, 14582, 28888, 29164, 49769, 57776, 58328, 99538, 116656, 199076, 398152, 796304, 1144687, 2289374, 4578748, 9157496, 18314992]

約数ペア:

[(1, 18314992), (2, 9157496), (4, 4578748), (8, 2289374), (16, 1144687), (23, 796304), (46, 398152), (92, 199076), (157, 116656), (184, 99538), (314, 58328), (317, 57776), (368, 49769), (628, 29164), (634, 28888), (1256, 14582), (1268, 14444), (2512, 7291), (2536, 7222), (3611, 5072)]