19964596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{887}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 37146816

約数和(自身を除く): 17182220

約数列:

[1, 2, 4, 17, 34, 68, 331, 662, 887, 1324, 1774, 3548, 5627, 11254, 15079, 22508, 30158, 60316, 293597, 587194, 1174388, 4991149, 9982298, 19964596]

約数ペア:

[(1, 19964596), (2, 9982298), (4, 4991149), (17, 1174388), (34, 587194), (68, 293597), (331, 60316), (662, 30158), (887, 22508), (1324, 15079), (1774, 11254), (3548, 5627)]