18157040205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{56731}}^1$

素因数の和:57881

約数の個数: 32

約数和(自身を含む): 30608048640

約数和(自身を除く): 12451008435

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1123, 3369, 5615, 16845, 21337, 56731, 64011, 106685, 170193, 283655, 320055, 850965, 1077889, 3233667, 5389445, 16168335, 63708913, 191126739, 318544565, 955633695, 1210469347, 3631408041, 6052346735, 18157040205]

約数ペア:

[(1, 18157040205), (3, 6052346735), (5, 3631408041), (15, 1210469347), (19, 955633695), (57, 318544565), (95, 191126739), (285, 63708913), (1123, 16168335), (3369, 5389445), (5615, 3233667), (16845, 1077889), (21337, 850965), (56731, 320055), (64011, 283655), (106685, 170193)]