19879806

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20327}}^1$

素因数の和:20495

約数の個数: 16

約数和(自身を含む): 40005504

約数和(自身を除く): 20125698

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 20327, 40654, 60981, 121962, 3313301, 6626602, 9939903, 19879806]

約数ペア:

[(1, 19879806), (2, 9939903), (3, 6626602), (6, 3313301), (163, 121962), (326, 60981), (489, 40654), (978, 20327)]