19764556

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1091}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 39626496

約数和(自身を除く): 19861940

約数列:

[1, 2, 4, 7, 14, 28, 647, 1091, 1294, 2182, 2588, 4364, 4529, 7637, 9058, 15274, 18116, 30548, 705877, 1411754, 2823508, 4941139, 9882278, 19764556]

約数ペア:

[(1, 19764556), (2, 9882278), (4, 4941139), (7, 2823508), (14, 1411754), (28, 705877), (647, 30548), (1091, 18116), (1294, 15274), (2182, 9058), (2588, 7637), (4364, 4529)]