18564987

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6961}}^1$

素因数の和:7098

約数の個数: 16

約数和(自身を含む): 28516352

約数和(自身を除く): 9951365

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 6961, 20883, 48727, 146181, 884047, 2652141, 6188329, 18564987]

約数ペア:

[(1, 18564987), (3, 6188329), (7, 2652141), (21, 884047), (127, 146181), (381, 48727), (889, 20883), (2667, 6961)]