18283887

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4259}}^1$

素因数の和:4324

約数の個数: 20

約数和(自身を含む): 27834840

約数和(自身を除く): 9550953

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4259, 4293, 12777, 38331, 114993, 225727, 344979, 677181, 2031543, 6094629, 18283887]

約数ペア:

[(1, 18283887), (3, 6094629), (9, 2031543), (27, 677181), (53, 344979), (81, 225727), (159, 114993), (477, 38331), (1431, 12777), (4259, 4293)]