19763991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 30912336

約数和(自身を除く): 11148345

約数列:

[1, 3, 9, 13, 39, 117, 251, 673, 753, 2019, 2259, 3263, 6057, 8749, 9789, 26247, 29367, 78741, 168923, 506769, 1520307, 2195999, 6587997, 19763991]

約数ペア:

[(1, 19763991), (3, 6587997), (9, 2195999), (13, 1520307), (39, 506769), (117, 168923), (251, 78741), (673, 29367), (753, 26247), (2019, 9789), (2259, 8749), (3263, 6057)]