19223105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1931}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 25316928

約数和(自身を除く): 6093823

約数列:

[1, 5, 11, 55, 181, 905, 1931, 1991, 9655, 9955, 21241, 106205, 349511, 1747555, 3844621, 19223105]

約数ペア:

[(1, 19223105), (5, 3844621), (11, 1747555), (55, 349511), (181, 106205), (905, 21241), (1931, 9955), (1991, 9655)]