13515268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19993}}^1$

素因数の和:20023

約数の個数: 18

約数和(自身を含む): 25612314

約数和(自身を除く): 12097046

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 19993, 39986, 79972, 259909, 519818, 1039636, 3378817, 6757634, 13515268]

約数ペア:

[(1, 13515268), (2, 6757634), (4, 3378817), (13, 1039636), (26, 519818), (52, 259909), (169, 79972), (338, 39986), (676, 19993)]