19272639

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 26254592

約数和(自身を除く): 6981953

約数列:

[1, 3, 97, 103, 291, 309, 643, 1929, 9991, 29973, 62371, 66229, 187113, 198687, 6424213, 19272639]

約数ペア:

[(1, 19272639), (3, 6424213), (97, 198687), (103, 187113), (291, 66229), (309, 62371), (643, 29973), (1929, 9991)]