19944377

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 1482823

約数列:

[1, 31, 53, 61, 199, 1643, 1891, 3233, 6169, 10547, 12139, 100223, 326957, 376309, 643367, 19944377]

約数ペア:

[(1, 19944377), (31, 643367), (53, 376309), (61, 326957), (199, 100223), (1643, 12139), (1891, 10547), (3233, 6169)]