19621788

素因数分解:

$2^2\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2543}}^1$

素因数の和:3193

約数の個数: 24

約数和(自身を含む): 45873408

約数和(自身を除く): 26251620

約数列:

[1, 2, 3, 4, 6, 12, 643, 1286, 1929, 2543, 2572, 3858, 5086, 7629, 7716, 10172, 15258, 30516, 1635149, 3270298, 4905447, 6540596, 9810894, 19621788]

約数ペア:

[(1, 19621788), (2, 9810894), (3, 6540596), (4, 4905447), (6, 3270298), (12, 1635149), (643, 30516), (1286, 15258), (1929, 10172), (2543, 7716), (2572, 7629), (3858, 5086)]