18259709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 20289024

約数和(自身を除く): 2029315

約数列:

[1, 13, 71, 73, 271, 923, 949, 3523, 5183, 19241, 19783, 67379, 250133, 257179, 1404593, 18259709]

約数ペア:

[(1, 18259709), (13, 1404593), (71, 257179), (73, 250133), (271, 67379), (923, 19783), (949, 19241), (3523, 5183)]