18580055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1451}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 24149664

約数和(自身を除く): 5569609

約数列:

[1, 5, 13, 65, 197, 985, 1451, 2561, 7255, 12805, 18863, 94315, 285847, 1429235, 3716011, 18580055]

約数ペア:

[(1, 18580055), (5, 3716011), (13, 1429235), (65, 285847), (197, 94315), (985, 18863), (1451, 12805), (2561, 7255)]