19983906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{25819}}^1$

素因数の和:25870

約数の個数: 24

約数和(自身を含む): 44307120

約数和(自身を除く): 24323214

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 25819, 51638, 77457, 154914, 232371, 464742, 1110217, 2220434, 3330651, 6661302, 9991953, 19983906]

約数ペア:

[(1, 19983906), (2, 9991953), (3, 6661302), (6, 3330651), (9, 2220434), (18, 1110217), (43, 464742), (86, 232371), (129, 154914), (258, 77457), (387, 51638), (774, 25819)]