18561946

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{54917}}^1$

素因数の和:54945

約数の個数: 12

約数和(自身を含む): 30149982

約数和(自身を除く): 11588036

約数列:

[1, 2, 13, 26, 169, 338, 54917, 109834, 713921, 1427842, 9280973, 18561946]

約数ペア:

[(1, 18561946), (2, 9280973), (13, 1427842), (26, 713921), (169, 109834), (338, 54917)]