19372705

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 26562816

約数和(自身を除く): 7190111

約数列:

[1, 5, 11, 41, 55, 71, 121, 205, 355, 451, 605, 781, 1331, 2255, 2911, 3905, 4961, 6655, 8591, 14555, 24805, 32021, 42955, 54571, 94501, 160105, 272855, 352231, 472505, 1761155, 3874541, 19372705]

約数ペア:

[(1, 19372705), (5, 3874541), (11, 1761155), (41, 472505), (55, 352231), (71, 272855), (121, 160105), (205, 94501), (355, 54571), (451, 42955), (605, 32021), (781, 24805), (1331, 14555), (2255, 8591), (2911, 6655), (3905, 4961)]