19644086

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 17335114

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 199, 398, 641, 1282, 1393, 2189, 2786, 4378, 4487, 7051, 8974, 14102, 15323, 30646, 49357, 98714, 127559, 255118, 892913, 1403149, 1785826, 2806298, 9822043, 19644086]

約数ペア:

[(1, 19644086), (2, 9822043), (7, 2806298), (11, 1785826), (14, 1403149), (22, 892913), (77, 255118), (154, 127559), (199, 98714), (398, 49357), (641, 30646), (1282, 15323), (1393, 14102), (2189, 8974), (2786, 7051), (4378, 4487)]