19219438

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3889}}^1$

素因数の和:4251

約数の個数: 16

約数和(自身を含む): 33049440

約数和(自身を除く): 13830002

約数列:

[1, 2, 7, 14, 353, 706, 2471, 3889, 4942, 7778, 27223, 54446, 1372817, 2745634, 9609719, 19219438]

約数ペア:

[(1, 19219438), (2, 9609719), (7, 2745634), (14, 1372817), (353, 54446), (706, 27223), (2471, 7778), (3889, 4942)]