19648719

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{769}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 10621521

約数列:

[1, 3, 9, 17, 51, 153, 167, 501, 769, 1503, 2307, 2839, 6921, 8517, 13073, 25551, 39219, 117657, 128423, 385269, 1155807, 2183191, 6549573, 19648719]

約数ペア:

[(1, 19648719), (3, 6549573), (9, 2183191), (17, 1155807), (51, 385269), (153, 128423), (167, 117657), (501, 39219), (769, 25551), (1503, 13073), (2307, 8517), (2839, 6921)]