18842761

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 22560768

約数和(自身を除く): 3718007

約数列:

[1, 7, 31, 71, 217, 497, 1223, 2201, 8561, 15407, 37913, 86833, 265391, 607831, 2691823, 18842761]

約数ペア:

[(1, 18842761), (7, 2691823), (31, 607831), (71, 265391), (217, 86833), (497, 37913), (1223, 15407), (2201, 8561)]