19946541

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 27393408

約数和(自身を除く): 7446867

約数列:

[1, 3, 41, 123, 257, 631, 771, 1893, 10537, 25871, 31611, 77613, 162167, 486501, 6648847, 19946541]

約数ペア:

[(1, 19946541), (3, 6648847), (41, 486501), (123, 162167), (257, 77613), (631, 31611), (771, 25871), (1893, 10537)]