19969798

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1627}}^1$

素因数の和:1684

約数の個数: 24

約数和(自身を含む): 33494472

約数和(自身を除く): 13524674

約数列:

[1, 2, 17, 19, 34, 38, 323, 361, 646, 722, 1627, 3254, 6137, 12274, 27659, 30913, 55318, 61826, 525521, 587347, 1051042, 1174694, 9984899, 19969798]

約数ペア:

[(1, 19969798), (2, 9984899), (17, 1174694), (19, 1051042), (34, 587347), (38, 525521), (323, 61826), (361, 55318), (646, 30913), (722, 27659), (1627, 12274), (3254, 6137)]