18888208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28793}}^1$

素因数の和:28842

約数の個数: 20

約数和(自身を含む): 37489788

約数和(自身を除く): 18601580

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28793, 57586, 115172, 230344, 460688, 1180513, 2361026, 4722052, 9444104, 18888208]

約数ペア:

[(1, 18888208), (2, 9444104), (4, 4722052), (8, 2361026), (16, 1180513), (41, 460688), (82, 230344), (164, 115172), (328, 57586), (656, 28793)]