38192020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4909}}^1$

素因数の和:5307

約数の個数: 24

約数和(自身を含む): 80425800

約数和(自身を除く): 42233780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 4909, 7780, 9818, 19636, 24545, 49090, 98180, 1909601, 3819202, 7638404, 9548005, 19096010, 38192020]

約数ペア:

[(1, 38192020), (2, 19096010), (4, 9548005), (5, 7638404), (10, 3819202), (20, 1909601), (389, 98180), (778, 49090), (1556, 24545), (1945, 19636), (3890, 9818), (4909, 7780)]