19744700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4201}}^1$

素因数の和:4262

約数の個数: 36

約数和(自身を含む): 43768032

約数和(自身を除く): 24023332

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4201, 4700, 8402, 16804, 21005, 42010, 84020, 105025, 197447, 210050, 394894, 420100, 789788, 987235, 1974470, 3948940, 4936175, 9872350, 19744700]

約数ペア:

[(1, 19744700), (2, 9872350), (4, 4936175), (5, 3948940), (10, 1974470), (20, 987235), (25, 789788), (47, 420100), (50, 394894), (94, 210050), (100, 197447), (188, 105025), (235, 84020), (470, 42010), (940, 21005), (1175, 16804), (2350, 8402), (4201, 4700)]