18286803

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:976

約数の個数: 20

約数和(自身を含む): 27434088

約数和(自身を除く): 9147285

約数列:

[1, 3, 9, 27, 81, 401, 563, 1203, 1689, 3609, 5067, 10827, 15201, 32481, 45603, 225763, 677289, 2031867, 6095601, 18286803]

約数ペア:

[(1, 18286803), (3, 6095601), (9, 2031867), (27, 677289), (81, 225763), (401, 45603), (563, 32481), (1203, 15201), (1689, 10827), (3609, 5067)]