19967956

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1709}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 16803884

約数列:

[1, 2, 4, 23, 46, 92, 127, 254, 508, 1709, 2921, 3418, 5842, 6836, 11684, 39307, 78614, 157228, 217043, 434086, 868172, 4991989, 9983978, 19967956]

約数ペア:

[(1, 19967956), (2, 9983978), (4, 4991989), (23, 868172), (46, 434086), (92, 217043), (127, 157228), (254, 78614), (508, 39307), (1709, 11684), (2921, 6836), (3418, 5842)]