19997862

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{32359}}^1$

素因数の和:32467

約数の個数: 16

約数和(自身を含む): 40385280

約数和(自身を除く): 20387418

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 32359, 64718, 97077, 194154, 3332977, 6665954, 9998931, 19997862]

約数ペア:

[(1, 19997862), (2, 9998931), (3, 6665954), (6, 3332977), (103, 194154), (206, 97077), (309, 64718), (618, 32359)]