171642580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{451691}}^1$

素因数の和:451719

約数の個数: 24

約数和(自身を含む): 379421280

約数和(自身を除く): 207778700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 451691, 903382, 1806764, 2258455, 4516910, 8582129, 9033820, 17164258, 34328516, 42910645, 85821290, 171642580]

約数ペア:

[(1, 171642580), (2, 85821290), (4, 42910645), (5, 34328516), (10, 17164258), (19, 9033820), (20, 8582129), (38, 4516910), (76, 2258455), (95, 1806764), (190, 903382), (380, 451691)]