19574289

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 32535360

約数和(自身を除く): 12961071

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 1979, 3297, 5937, 9891, 13853, 17811, 41559, 124677, 310703, 932109, 2174921, 2796327, 6524763, 19574289]

約数ペア:

[(1, 19574289), (3, 6524763), (7, 2796327), (9, 2174921), (21, 932109), (63, 310703), (157, 124677), (471, 41559), (1099, 17811), (1413, 13853), (1979, 9891), (3297, 5937)]