18922139

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 20730816

約数和(自身を除く): 1808677

約数列:

[1, 17, 61, 71, 257, 1037, 1207, 4331, 4369, 15677, 18247, 73627, 266509, 310199, 1113067, 18922139]

約数ペア:

[(1, 18922139), (17, 1113067), (61, 310199), (71, 266509), (257, 73627), (1037, 18247), (1207, 15677), (4331, 4369)]