18864965

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5233}}^1$

素因数の和:5348

約数の個数: 16

約数和(自身を含む): 26128128

約数和(自身を除く): 7263163

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 5233, 26165, 36631, 183155, 538999, 2694995, 3772993, 18864965]

約数ペア:

[(1, 18864965), (5, 3772993), (7, 2694995), (35, 538999), (103, 183155), (515, 36631), (721, 26165), (3605, 5233)]