18684042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239539}}^1$

素因数の和:239557

約数の個数: 16

約数和(自身を含む): 40242720

約数和(自身を除く): 21558678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239539, 479078, 718617, 1437234, 3114007, 6228014, 9342021, 18684042]

約数ペア:

[(1, 18684042), (2, 9342021), (3, 6228014), (6, 3114007), (13, 1437234), (26, 718617), (39, 479078), (78, 239539)]