18053888

素因数分解:

$2^8\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 36

約数和(自身を含む): 36424080

約数和(自身を除く): 18370192

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 647, 872, 1294, 1744, 2588, 3488, 5176, 6976, 10352, 13952, 20704, 27904, 41408, 70523, 82816, 141046, 165632, 282092, 564184, 1128368, 2256736, 4513472, 9026944, 18053888]

約数ペア:

[(1, 18053888), (2, 9026944), (4, 4513472), (8, 2256736), (16, 1128368), (32, 564184), (64, 282092), (109, 165632), (128, 141046), (218, 82816), (256, 70523), (436, 41408), (647, 27904), (872, 20704), (1294, 13952), (1744, 10352), (2588, 6976), (3488, 5176)]