19939353

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2203}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 30468096

約数和(自身を除く): 10528743

約数列:

[1, 3, 7, 21, 431, 1293, 2203, 3017, 6609, 9051, 15421, 46263, 949493, 2848479, 6646451, 19939353]

約数ペア:

[(1, 19939353), (3, 6646451), (7, 2848479), (21, 949493), (431, 46263), (1293, 15421), (2203, 9051), (3017, 6609)]