18733886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1123}}^1$

素因数の和:1583

約数の個数: 16

約数和(自身を含む): 29673600

約数和(自身を除く): 10939714

約数列:

[1, 2, 19, 38, 439, 878, 1123, 2246, 8341, 16682, 21337, 42674, 492997, 985994, 9366943, 18733886]

約数ペア:

[(1, 18733886), (2, 9366943), (19, 985994), (38, 492997), (439, 42674), (878, 21337), (1123, 16682), (2246, 8341)]