19903232

素因数分解:

$2^8\times {\mathrm{77747}}^1$

素因数の和:77763

約数の個数: 18

約数和(自身を含む): 39729228

約数和(自身を除く): 19825996

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77747, 155494, 310988, 621976, 1243952, 2487904, 4975808, 9951616, 19903232]

約数ペア:

[(1, 19903232), (2, 9951616), (4, 4975808), (8, 2487904), (16, 1243952), (32, 621976), (64, 310988), (128, 155494), (256, 77747)]