19943692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 36886640

約数和(自身を除く): 16942948

約数列:

[1, 2, 4, 19, 38, 76, 397, 661, 794, 1322, 1588, 2644, 7543, 12559, 15086, 25118, 30172, 50236, 262417, 524834, 1049668, 4985923, 9971846, 19943692]

約数ペア:

[(1, 19943692), (2, 9971846), (4, 4985923), (19, 1049668), (38, 524834), (76, 262417), (397, 50236), (661, 30172), (794, 25118), (1322, 15086), (1588, 12559), (2644, 7543)]