19878675

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2087}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 33140736

約数和(自身を除く): 13262061

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 2087, 3175, 6261, 9525, 10435, 31305, 52175, 156525, 265049, 795147, 1325245, 3975735, 6626225, 19878675]

約数ペア:

[(1, 19878675), (3, 6626225), (5, 3975735), (15, 1325245), (25, 795147), (75, 265049), (127, 156525), (381, 52175), (635, 31305), (1905, 10435), (2087, 9525), (3175, 6261)]