18929155

素因数分解:

$5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1427}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 7117565

約数列:

[1, 5, 7, 35, 379, 1427, 1895, 2653, 7135, 9989, 13265, 49945, 540833, 2704165, 3785831, 18929155]

約数ペア:

[(1, 18929155), (5, 3785831), (7, 2704165), (35, 540833), (379, 49945), (1427, 13265), (1895, 9989), (2653, 7135)]