19278974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67409}}^1$

素因数の和:67435

約数の個数: 16

約数和(自身を含む): 33974640

約数和(自身を除く): 14695666

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 67409, 134818, 741499, 876317, 1482998, 1752634, 9639487, 19278974]

約数ペア:

[(1, 19278974), (2, 9639487), (11, 1752634), (13, 1482998), (22, 876317), (26, 741499), (143, 134818), (286, 67409)]