18884217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4177}}^1$

素因数の和:4328

約数の個数: 16

約数和(自身を含む): 27675072

約数和(自身を除く): 8790855

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4177, 4521, 12531, 45947, 137841, 572249, 1716747, 6294739, 18884217]

約数ペア:

[(1, 18884217), (3, 6294739), (11, 1716747), (33, 572249), (137, 137841), (411, 45947), (1507, 12531), (4177, 4521)]