19261268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28493}}^1$

素因数の和:28523

約数の個数: 18

約数和(自身を含む): 36500814

約数和(自身を除く): 17239546

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28493, 56986, 113972, 370409, 740818, 1481636, 4815317, 9630634, 19261268]

約数ペア:

[(1, 19261268), (2, 9630634), (4, 4815317), (13, 1481636), (26, 740818), (52, 370409), (169, 113972), (338, 56986), (676, 28493)]