18794607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3467}}^1$

素因数の和:3622

約数の個数: 16

約数和(自身を含む): 27189120

約数和(自身を除く): 8394513

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3467, 5421, 10401, 45071, 135213, 481913, 1445739, 6264869, 18794607]

約数ペア:

[(1, 18794607), (3, 6264869), (13, 1445739), (39, 481913), (139, 135213), (417, 45071), (1807, 10401), (3467, 5421)]