19983304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5281}}^1$

素因数の和:5341

約数の個数: 32

約数和(自身を含む): 41833440

約数和(自身を除く): 21850136

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5281, 10562, 21124, 42248, 58091, 116182, 227083, 232364, 454166, 464728, 908332, 1816664, 2497913, 4995826, 9991652, 19983304]

約数ペア:

[(1, 19983304), (2, 9991652), (4, 4995826), (8, 2497913), (11, 1816664), (22, 908332), (43, 464728), (44, 454166), (86, 232364), (88, 227083), (172, 116182), (344, 58091), (473, 42248), (946, 21124), (1892, 10562), (3784, 5281)]