19402295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1949}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 25552800

約数和(自身を除く): 6150505

約数列:

[1, 5, 11, 55, 181, 905, 1949, 1991, 9745, 9955, 21439, 107195, 352769, 1763845, 3880459, 19402295]

約数ペア:

[(1, 19402295), (5, 3880459), (11, 1763845), (55, 352769), (181, 107195), (905, 21439), (1949, 9955), (1991, 9745)]