18853274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2203}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 30944160

約数和(自身を除く): 12090886

約数列:

[1, 2, 11, 22, 389, 778, 2203, 4279, 4406, 8558, 24233, 48466, 856967, 1713934, 9426637, 18853274]

約数ペア:

[(1, 18853274), (2, 9426637), (11, 1713934), (22, 856967), (389, 48466), (778, 24233), (2203, 8558), (4279, 4406)]