19685739

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2647}}^1$

素因数の和:2754

約数の個数: 16

約数和(自身を含む): 27369728

約数和(自身を除く): 7683989

約数列:

[1, 3, 37, 67, 111, 201, 2479, 2647, 7437, 7941, 97939, 177349, 293817, 532047, 6561913, 19685739]

約数ペア:

[(1, 19685739), (3, 6561913), (37, 532047), (67, 293817), (111, 177349), (201, 97939), (2479, 7941), (2647, 7437)]