19940529

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2441}}^1$

素因数の和:2840

約数の個数: 16

約数和(自身を含む): 30476160

約数和(自身を除く): 10535631

約数列:

[1, 3, 7, 21, 389, 1167, 2441, 2723, 7323, 8169, 17087, 51261, 949549, 2848647, 6646843, 19940529]

約数ペア:

[(1, 19940529), (3, 6646843), (7, 2848647), (21, 949549), (389, 51261), (1167, 17087), (2441, 8169), (2723, 7323)]