19315640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4513}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 43876080

約数和(自身を除く): 24560440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4513, 9026, 18052, 22565, 36104, 45130, 90260, 180520, 482891, 965782, 1931564, 2414455, 3863128, 4828910, 9657820, 19315640]

約数ペア:

[(1, 19315640), (2, 9657820), (4, 4828910), (5, 3863128), (8, 2414455), (10, 1931564), (20, 965782), (40, 482891), (107, 180520), (214, 90260), (428, 45130), (535, 36104), (856, 22565), (1070, 18052), (2140, 9026), (4280, 4513)]