18151996

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{10529}}^1$

素因数の和:10964

約数の個数: 12

約数和(自身を含む): 31842720

約数和(自身を除く): 13690724

約数列:

[1, 2, 4, 431, 862, 1724, 10529, 21058, 42116, 4537999, 9075998, 18151996]

約数ペア:

[(1, 18151996), (2, 9075998), (4, 4537999), (431, 42116), (862, 21058), (1724, 10529)]