18997925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{44701}}^1$

素因数の和:44728

約数の個数: 12

約数和(自身を含む): 24943716

約数和(自身を除く): 5945791

約数列:

[1, 5, 17, 25, 85, 425, 44701, 223505, 759917, 1117525, 3799585, 18997925]

約数ペア:

[(1, 18997925), (5, 3799585), (17, 1117525), (25, 759917), (85, 223505), (425, 44701)]