19744636

素因数分解:

$2^2\times {\mathrm{1109}}^1\times {\mathrm{4451}}^1$

素因数の和:5564

約数の個数: 12

約数和(自身を含む): 34592040

約数和(自身を除く): 14847404

約数列:

[1, 2, 4, 1109, 2218, 4436, 4451, 8902, 17804, 4936159, 9872318, 19744636]

約数ペア:

[(1, 19744636), (2, 9872318), (4, 4936159), (1109, 17804), (2218, 8902), (4436, 4451)]