19688060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140629}}^1$

素因数の和:140645

約数の個数: 24

約数和(自身を含む): 47251680

約数和(自身を除く): 27563620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140629, 281258, 562516, 703145, 984403, 1406290, 1968806, 2812580, 3937612, 4922015, 9844030, 19688060]

約数ペア:

[(1, 19688060), (2, 9844030), (4, 4922015), (5, 3937612), (7, 2812580), (10, 1968806), (14, 1406290), (20, 984403), (28, 703145), (35, 562516), (70, 281258), (140, 140629)]