19085780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136327}}^1$

素因数の和:136343

約数の個数: 24

約数和(自身を含む): 45806208

約数和(自身を除く): 26720428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136327, 272654, 545308, 681635, 954289, 1363270, 1908578, 2726540, 3817156, 4771445, 9542890, 19085780]

約数ペア:

[(1, 19085780), (2, 9542890), (4, 4771445), (5, 3817156), (7, 2726540), (10, 1908578), (14, 1363270), (20, 954289), (28, 681635), (35, 545308), (70, 272654), (140, 136327)]