2019912921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{2039}}^1\times {\mathrm{8467}}^1$

素因数の和:10525

約数の個数: 24

約数和(自身を含む): 3143999040

約数和(自身を除く): 1124086119

約数列:

[1, 3, 9, 13, 39, 117, 2039, 6117, 8467, 18351, 25401, 26507, 76203, 79521, 110071, 238563, 330213, 990639, 17264213, 51792639, 155377917, 224434769, 673304307, 2019912921]

約数ペア:

[(1, 2019912921), (3, 673304307), (9, 224434769), (13, 155377917), (39, 51792639), (117, 17264213), (2039, 990639), (6117, 330213), (8467, 238563), (18351, 110071), (25401, 79521), (26507, 76203)]