19647155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21013}}^1$

素因数の和:21046

約数の個数: 16

約数和(自身を含む): 27234144

約数和(自身を除く): 7586989

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21013, 105065, 231143, 357221, 1155715, 1786105, 3929431, 19647155]

約数ペア:

[(1, 19647155), (5, 3929431), (11, 1786105), (17, 1155715), (55, 357221), (85, 231143), (187, 105065), (935, 21013)]