18894538

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{55901}}^1$

素因数の和:55929

約数の個数: 12

約数和(自身を含む): 30690198

約数和(自身を除く): 11795660

約数列:

[1, 2, 13, 26, 169, 338, 55901, 111802, 726713, 1453426, 9447269, 18894538]

約数ペア:

[(1, 18894538), (2, 9447269), (13, 1453426), (26, 726713), (169, 111802), (338, 55901)]