19953284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1459}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 37773120

約数和(自身を除く): 17819836

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 1459, 2918, 3419, 5836, 6838, 13676, 18967, 37934, 75868, 383717, 767434, 1534868, 4988321, 9976642, 19953284]

約数ペア:

[(1, 19953284), (2, 9976642), (4, 4988321), (13, 1534868), (26, 767434), (52, 383717), (263, 75868), (526, 37934), (1052, 18967), (1459, 13676), (2918, 6838), (3419, 5836)]