18290176

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 40

約数和(自身を含む): 36950760

約数和(自身を除く): 18660584

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 257, 278, 512, 514, 556, 1028, 1112, 2056, 2224, 4112, 4448, 8224, 8896, 16448, 17792, 32896, 35584, 35723, 65792, 71168, 71446, 131584, 142892, 285784, 571568, 1143136, 2286272, 4572544, 9145088, 18290176]

約数ペア:

[(1, 18290176), (2, 9145088), (4, 4572544), (8, 2286272), (16, 1143136), (32, 571568), (64, 285784), (128, 142892), (139, 131584), (256, 71446), (257, 71168), (278, 65792), (512, 35723), (514, 35584), (556, 32896), (1028, 17792), (1112, 16448), (2056, 8896), (2224, 8224), (4112, 4448)]