18203425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{2017}}^1$

素因数の和:2065

約数の個数: 18

約数和(自身を含む): 23834598

約数和(自身を除く): 5631173

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 2017, 9025, 10085, 38323, 50425, 191615, 728137, 958075, 3640685, 18203425]

約数ペア:

[(1, 18203425), (5, 3640685), (19, 958075), (25, 728137), (95, 191615), (361, 50425), (475, 38323), (1805, 10085), (2017, 9025)]