19656329

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 25791360

約数和(自身を除く): 6135031

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1009, 1771, 2783, 7063, 11099, 19481, 23207, 77693, 122089, 162449, 255277, 854623, 1786939, 2808047, 19656329]

約数ペア:

[(1, 19656329), (7, 2808047), (11, 1786939), (23, 854623), (77, 255277), (121, 162449), (161, 122089), (253, 77693), (847, 23207), (1009, 19481), (1771, 11099), (2783, 7063)]