19412281

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 24624000

約数和(自身を除く): 5211719

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 719, 931, 1421, 3857, 5033, 13661, 20851, 26999, 35231, 95627, 145957, 396169, 669389, 1021699, 2773183, 19412281]

約数ペア:

[(1, 19412281), (7, 2773183), (19, 1021699), (29, 669389), (49, 396169), (133, 145957), (203, 95627), (551, 35231), (719, 26999), (931, 20851), (1421, 13661), (3857, 5033)]