19952894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5521}}^1$

素因数の和:5675

約数の個数: 16

約数和(自身を含む): 32469360

約数和(自身を除く): 12516466

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5521, 11042, 71773, 143546, 767419, 1534838, 9976447, 19952894]

約数ペア:

[(1, 19952894), (2, 9976447), (13, 1534838), (26, 767419), (139, 143546), (278, 71773), (1807, 11042), (3614, 5521)]