18238376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 37095240

約数和(自身を除く): 18856864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1117, 1256, 2041, 2234, 4082, 4468, 8164, 8936, 14521, 16328, 29042, 58084, 116168, 175369, 350738, 701476, 1402952, 2279797, 4559594, 9119188, 18238376]

約数ペア:

[(1, 18238376), (2, 9119188), (4, 4559594), (8, 2279797), (13, 1402952), (26, 701476), (52, 350738), (104, 175369), (157, 116168), (314, 58084), (628, 29042), (1117, 16328), (1256, 14521), (2041, 8936), (2234, 8164), (4082, 4468)]