19718900

素因数分解:

$2^2\times 5^2\times {\mathrm{293}}^1\times {\mathrm{673}}^1$

素因数の和:980

約数の個数: 36

約数和(自身を含む): 42999852

約数和(自身を除く): 23280952

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 293, 586, 673, 1172, 1346, 1465, 2692, 2930, 3365, 5860, 6730, 7325, 13460, 14650, 16825, 29300, 33650, 67300, 197189, 394378, 788756, 985945, 1971890, 3943780, 4929725, 9859450, 19718900]

約数ペア:

[(1, 19718900), (2, 9859450), (4, 4929725), (5, 3943780), (10, 1971890), (20, 985945), (25, 788756), (50, 394378), (100, 197189), (293, 67300), (586, 33650), (673, 29300), (1172, 16825), (1346, 14650), (1465, 13460), (2692, 7325), (2930, 6730), (3365, 5860)]