28650404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19841}}^1$

素因数の和:19883

約数の個数: 18

約数和(自身を含む): 52918614

約数和(自身を除く): 24268210

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19841, 39682, 79364, 376979, 753958, 1507916, 7162601, 14325202, 28650404]

約数ペア:

[(1, 28650404), (2, 14325202), (4, 7162601), (19, 1507916), (38, 753958), (76, 376979), (361, 79364), (722, 39682), (1444, 19841)]