18342725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 23635392

約数和(自身を除く): 5292667

約数列:

[1, 5, 25, 43, 113, 151, 215, 565, 755, 1075, 2825, 3775, 4859, 6493, 17063, 24295, 32465, 85315, 121475, 162325, 426575, 733709, 3668545, 18342725]

約数ペア:

[(1, 18342725), (5, 3668545), (25, 733709), (43, 426575), (113, 162325), (151, 121475), (215, 85315), (565, 32465), (755, 24295), (1075, 17063), (2825, 6493), (3775, 4859)]