18219008

素因数分解:

$2^{17}\times {\mathrm{139}}^1$

素因数の和:173

約数の個数: 36

約数和(自身を含む): 36700020

約数和(自身を除く): 18481012

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 512, 556, 1024, 1112, 2048, 2224, 4096, 4448, 8192, 8896, 16384, 17792, 32768, 35584, 65536, 71168, 131072, 142336, 284672, 569344, 1138688, 2277376, 4554752, 9109504, 18219008]

約数ペア:

[(1, 18219008), (2, 9109504), (4, 4554752), (8, 2277376), (16, 1138688), (32, 569344), (64, 284672), (128, 142336), (139, 131072), (256, 71168), (278, 65536), (512, 35584), (556, 32768), (1024, 17792), (1112, 16384), (2048, 8896), (2224, 8192), (4096, 4448)]