19268975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 26717040

約数和(自身を除く): 7448065

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1709, 2255, 8545, 11275, 18799, 42725, 70069, 93995, 350345, 469975, 770759, 1751725, 3853795, 19268975]

約数ペア:

[(1, 19268975), (5, 3853795), (11, 1751725), (25, 770759), (41, 469975), (55, 350345), (205, 93995), (275, 70069), (451, 42725), (1025, 18799), (1709, 11275), (2255, 8545)]