19729812

素因数分解:

$2^2\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2557}}^1$

素因数の和:3207

約数の個数: 24

約数和(自身を含む): 46125856

約数和(自身を除く): 26396044

約数列:

[1, 2, 3, 4, 6, 12, 643, 1286, 1929, 2557, 2572, 3858, 5114, 7671, 7716, 10228, 15342, 30684, 1644151, 3288302, 4932453, 6576604, 9864906, 19729812]

約数ペア:

[(1, 19729812), (2, 9864906), (3, 6576604), (4, 4932453), (6, 3288302), (12, 1644151), (643, 30684), (1286, 15342), (1929, 10228), (2557, 7716), (2572, 7671), (3858, 5114)]