19208013

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{25307}}^1$

素因数の和:25344

約数の個数: 16

約数和(自身を含む): 29154816

約数和(自身を除く): 9946803

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 25307, 75921, 278377, 582061, 835131, 1746183, 6402671, 19208013]

約数ペア:

[(1, 19208013), (3, 6402671), (11, 1746183), (23, 835131), (33, 582061), (69, 278377), (253, 75921), (759, 25307)]