19677140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140551}}^1$

素因数の和:140567

約数の個数: 24

約数和(自身を含む): 47225472

約数和(自身を除く): 27548332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140551, 281102, 562204, 702755, 983857, 1405510, 1967714, 2811020, 3935428, 4919285, 9838570, 19677140]

約数ペア:

[(1, 19677140), (2, 9838570), (4, 4919285), (5, 3935428), (7, 2811020), (10, 1967714), (14, 1405510), (20, 983857), (28, 702755), (35, 562204), (70, 281102), (140, 140551)]