19687168

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1520

約数の個数: 36

約数和(自身を含む): 40066488

約数和(自身を除く): 20379320

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1451, 1696, 2902, 3392, 5804, 6784, 11608, 13568, 23216, 46432, 76903, 92864, 153806, 185728, 307612, 371456, 615224, 1230448, 2460896, 4921792, 9843584, 19687168]

約数ペア:

[(1, 19687168), (2, 9843584), (4, 4921792), (8, 2460896), (16, 1230448), (32, 615224), (53, 371456), (64, 307612), (106, 185728), (128, 153806), (212, 92864), (256, 76903), (424, 46432), (848, 23216), (1451, 13568), (1696, 11608), (2902, 6784), (3392, 5804)]