19485565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1279}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 25620480

約数和(自身を除く): 6134915

約数列:

[1, 5, 11, 55, 277, 1279, 1385, 3047, 6395, 14069, 15235, 70345, 354283, 1771415, 3897113, 19485565]

約数ペア:

[(1, 19485565), (5, 3897113), (11, 1771415), (55, 354283), (277, 70345), (1279, 15235), (1385, 14069), (3047, 6395)]