31201904

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{17891}}^1$

素因数の和:18008

約数の個数: 20

約数和(自身を含む): 61011720

約数和(自身を除く): 29809816

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 17891, 35782, 71564, 143128, 286256, 1950119, 3900238, 7800476, 15600952, 31201904]

約数ペア:

[(1, 31201904), (2, 15600952), (4, 7800476), (8, 3900238), (16, 1950119), (109, 286256), (218, 143128), (436, 71564), (872, 35782), (1744, 17891)]