18761739

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 25436160

約数和(自身を除く): 6674421

約数列:

[1, 3, 137, 191, 239, 411, 573, 717, 26167, 32743, 45649, 78501, 98229, 136947, 6253913, 18761739]

約数ペア:

[(1, 18761739), (3, 6253913), (137, 136947), (191, 98229), (239, 78501), (411, 45649), (573, 32743), (717, 26167)]