19442980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5431}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 21622940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5431, 10862, 21724, 27155, 54310, 108620, 972149, 1944298, 3888596, 4860745, 9721490, 19442980]

約数ペア:

[(1, 19442980), (2, 9721490), (4, 4860745), (5, 3888596), (10, 1944298), (20, 972149), (179, 108620), (358, 54310), (716, 27155), (895, 21724), (1790, 10862), (3580, 5431)]