19642138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1373}}^1$

素因数の和:1709

約数の個数: 16

約数和(自身を含む): 30865536

約数和(自身を除く): 11223398

約数列:

[1, 2, 23, 46, 311, 622, 1373, 2746, 7153, 14306, 31579, 63158, 427003, 854006, 9821069, 19642138]

約数ペア:

[(1, 19642138), (2, 9821069), (23, 854006), (46, 427003), (311, 63158), (622, 31579), (1373, 14306), (2746, 7153)]