18985659

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82189}}^1$

素因数の和:82210

約数の個数: 16

約数和(自身を含む): 31560960

約数和(自身を除く): 12575301

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82189, 246567, 575323, 904079, 1725969, 2712237, 6328553, 18985659]

約数ペア:

[(1, 18985659), (3, 6328553), (7, 2712237), (11, 1725969), (21, 904079), (33, 575323), (77, 246567), (231, 82189)]