19350387

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 33538560

約数和(自身を除く): 14188173

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2381, 2709, 7143, 8127, 16667, 21429, 50001, 64287, 102383, 150003, 307149, 450009, 716681, 921447, 2150043, 2764341, 6450129, 19350387]

約数ペア:

[(1, 19350387), (3, 6450129), (7, 2764341), (9, 2150043), (21, 921447), (27, 716681), (43, 450009), (63, 307149), (129, 150003), (189, 102383), (301, 64287), (387, 50001), (903, 21429), (1161, 16667), (2381, 8127), (2709, 7143)]