19985846

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{15887}}^1$

素因数の和:15943

約数の個数: 16

約数和(自身を含む): 32602176

約数和(自身を除く): 12616330

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 15887, 31774, 270079, 540158, 587819, 1175638, 9992923, 19985846]

約数ペア:

[(1, 19985846), (2, 9992923), (17, 1175638), (34, 587819), (37, 540158), (74, 270079), (629, 31774), (1258, 15887)]