19836895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5003}}^1$

素因数の和:5082

約数の個数: 16

約数和(自身を含む): 26060832

約数和(自身を除く): 6223937

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 5003, 25015, 65039, 305183, 325195, 1525915, 3967379, 19836895]

約数ペア:

[(1, 19836895), (5, 3967379), (13, 1525915), (61, 325195), (65, 305183), (305, 65039), (793, 25015), (3965, 5003)]