19937750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11393}}^1$

素因数の和:11417

約数の個数: 32

約数和(自身を含む): 42659136

約数和(自身を除く): 22721386

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 11393, 22786, 56965, 79751, 113930, 159502, 284825, 398755, 569650, 797510, 1424125, 1993775, 2848250, 3987550, 9968875, 19937750]

約数ペア:

[(1, 19937750), (2, 9968875), (5, 3987550), (7, 2848250), (10, 1993775), (14, 1424125), (25, 797510), (35, 569650), (50, 398755), (70, 284825), (125, 159502), (175, 113930), (250, 79751), (350, 56965), (875, 22786), (1750, 11393)]