18254225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 25310880

約数和(自身を除く): 7056655

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1619, 2255, 8095, 11275, 17809, 40475, 66379, 89045, 331895, 445225, 730169, 1659475, 3650845, 18254225]

約数ペア:

[(1, 18254225), (5, 3650845), (11, 1659475), (25, 730169), (41, 445225), (55, 331895), (205, 89045), (275, 66379), (451, 40475), (1025, 17809), (1619, 11275), (2255, 8095)]