18789746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{769}}^1$

素因数の和:1433

約数の個数: 16

約数和(自身を含む): 29752800

約数和(自身を除く): 10963054

約数列:

[1, 2, 19, 38, 643, 769, 1286, 1538, 12217, 14611, 24434, 29222, 494467, 988934, 9394873, 18789746]

約数ペア:

[(1, 18789746), (2, 9394873), (19, 988934), (38, 494467), (643, 29222), (769, 24434), (1286, 14611), (1538, 12217)]