18639232

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 37356480

約数和(自身を除く): 18717248

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 653, 892, 1306, 1784, 2612, 3568, 5224, 7136, 10448, 14272, 20896, 28544, 41792, 83584, 145619, 291238, 582476, 1164952, 2329904, 4659808, 9319616, 18639232]

約数ペア:

[(1, 18639232), (2, 9319616), (4, 4659808), (8, 2329904), (16, 1164952), (32, 582476), (64, 291238), (128, 145619), (223, 83584), (446, 41792), (653, 28544), (892, 20896), (1306, 14272), (1784, 10448), (2612, 7136), (3568, 5224)]