13888921796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{446819}}^1$

素因数の和:447251

約数の個数: 24

約数和(自身を含む): 25647468000

約数和(自身を除く): 11758546204

約数列:

[1, 2, 4, 19, 38, 76, 409, 818, 1636, 7771, 15542, 31084, 446819, 893638, 1787276, 8489561, 16979122, 33958244, 182748971, 365497942, 730995884, 3472230449, 6944460898, 13888921796]

約数ペア:

[(1, 13888921796), (2, 6944460898), (4, 3472230449), (19, 730995884), (38, 365497942), (76, 182748971), (409, 33958244), (818, 16979122), (1636, 8489561), (7771, 1787276), (15542, 893638), (31084, 446819)]