19529487

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 29105856

約数和(自身を除く): 9576369

約数列:

[1, 3, 9, 47, 137, 141, 337, 411, 423, 1011, 1233, 3033, 6439, 15839, 19317, 46169, 47517, 57951, 138507, 142551, 415521, 2169943, 6509829, 19529487]

約数ペア:

[(1, 19529487), (3, 6509829), (9, 2169943), (47, 415521), (137, 142551), (141, 138507), (337, 57951), (411, 47517), (423, 46169), (1011, 19317), (1233, 15839), (3033, 6439)]