19997248

素因数分解:

$2^6\times {\mathrm{167}}^1\times {\mathrm{1871}}^1$

素因数の和:2050

約数の個数: 28

約数和(自身を含む): 39940992

約数和(自身を除く): 19943744

約数列:

[1, 2, 4, 8, 16, 32, 64, 167, 334, 668, 1336, 1871, 2672, 3742, 5344, 7484, 10688, 14968, 29936, 59872, 119744, 312457, 624914, 1249828, 2499656, 4999312, 9998624, 19997248]

約数ペア:

[(1, 19997248), (2, 9998624), (4, 4999312), (8, 2499656), (16, 1249828), (32, 624914), (64, 312457), (167, 119744), (334, 59872), (668, 29936), (1336, 14968), (1871, 10688), (2672, 7484), (3742, 5344)]