19902003265

素因数分解:

$5^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1\times {\mathrm{28949}}^1$

素因数の和:29696

約数の個数: 16

約数和(自身を含む): 24012288000

約数和(自身を除く): 4110284735

約数列:

[1, 5, 359, 383, 1795, 1915, 28949, 137497, 144745, 687485, 10392691, 11087467, 51963455, 55437335, 3980400653, 19902003265]

約数ペア:

[(1, 19902003265), (5, 3980400653), (359, 55437335), (383, 51963455), (1795, 11087467), (1915, 10392691), (28949, 687485), (137497, 144745)]