18752838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240421}}^1$

素因数の和:240439

約数の個数: 16

約数和(自身を含む): 40390896

約数和(自身を除く): 21638058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240421, 480842, 721263, 1442526, 3125473, 6250946, 9376419, 18752838]

約数ペア:

[(1, 18752838), (2, 9376419), (3, 6250946), (6, 3125473), (13, 1442526), (26, 721263), (39, 480842), (78, 240421)]