18427025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 24224640

約数和(自身を除く): 5797615

約数列:

[1, 5, 23, 25, 73, 115, 365, 439, 575, 1679, 1825, 2195, 8395, 10097, 10975, 32047, 41975, 50485, 160235, 252425, 737081, 801175, 3685405, 18427025]

約数ペア:

[(1, 18427025), (5, 3685405), (23, 801175), (25, 737081), (73, 252425), (115, 160235), (365, 50485), (439, 41975), (575, 32047), (1679, 10975), (1825, 10097), (2195, 8395)]