19728175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 26404560

約数和(自身を除く): 6676385

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1013, 1025, 3895, 5065, 19247, 19475, 25325, 41533, 96235, 207665, 481175, 789127, 1038325, 3945635, 19728175]

約数ペア:

[(1, 19728175), (5, 3945635), (19, 1038325), (25, 789127), (41, 481175), (95, 207665), (205, 96235), (475, 41533), (779, 25325), (1013, 19475), (1025, 19247), (3895, 5065)]