18663808

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 37485000

約数和(自身を除く): 18821192

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1049, 1112, 2098, 2224, 4196, 4448, 8392, 8896, 16784, 17792, 33568, 67136, 134272, 145811, 291622, 583244, 1166488, 2332976, 4665952, 9331904, 18663808]

約数ペア:

[(1, 18663808), (2, 9331904), (4, 4665952), (8, 2332976), (16, 1166488), (32, 583244), (64, 291622), (128, 145811), (139, 134272), (278, 67136), (556, 33568), (1049, 17792), (1112, 16784), (2098, 8896), (2224, 8392), (4196, 4448)]