18288325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 25105536

約数和(自身を除く): 6817211

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 911, 1825, 4015, 4555, 10021, 20075, 22775, 50105, 66503, 250525, 332515, 731533, 1662575, 3657665, 18288325]

約数ペア:

[(1, 18288325), (5, 3657665), (11, 1662575), (25, 731533), (55, 332515), (73, 250525), (275, 66503), (365, 50105), (803, 22775), (911, 20075), (1825, 10021), (4015, 4555)]