18080738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13121}}^1$

素因数の和:13189

約数の個数: 16

約数和(自身を含む): 29760696

約数和(自身を除く): 11679958

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13121, 26242, 170573, 341146, 695413, 1390826, 9040369, 18080738]

約数ペア:

[(1, 18080738), (2, 9040369), (13, 1390826), (26, 695413), (53, 341146), (106, 170573), (689, 26242), (1378, 13121)]