18252025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2193

約数の個数: 24

約数和(自身を含む): 25498368

約数和(自身を除く): 7246343

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2141, 8525, 10705, 23551, 53525, 66371, 117755, 331855, 588775, 730081, 1659275, 3650405, 18252025]

約数ペア:

[(1, 18252025), (5, 3650405), (11, 1659275), (25, 730081), (31, 588775), (55, 331855), (155, 117755), (275, 66371), (341, 53525), (775, 23551), (1705, 10705), (2141, 8525)]