19772600

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 46444200

約数和(自身を除く): 26671600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 907, 1090, 1814, 2180, 2725, 3628, 4360, 4535, 5450, 7256, 9070, 10900, 18140, 21800, 22675, 36280, 45350, 90700, 98863, 181400, 197726, 395452, 494315, 790904, 988630, 1977260, 2471575, 3954520, 4943150, 9886300, 19772600]

約数ペア:

[(1, 19772600), (2, 9886300), (4, 4943150), (5, 3954520), (8, 2471575), (10, 1977260), (20, 988630), (25, 790904), (40, 494315), (50, 395452), (100, 197726), (109, 181400), (200, 98863), (218, 90700), (436, 45350), (545, 36280), (872, 22675), (907, 21800), (1090, 18140), (1814, 10900), (2180, 9070), (2725, 7256), (3628, 5450), (4360, 4535)]