19707974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68909}}^1$

素因数の和:68935

約数の個数: 16

約数和(自身を含む): 34730640

約数和(自身を除く): 15022666

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 68909, 137818, 757999, 895817, 1515998, 1791634, 9853987, 19707974]

約数ペア:

[(1, 19707974), (2, 9853987), (11, 1791634), (13, 1515998), (22, 895817), (26, 757999), (143, 137818), (286, 68909)]