18369025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{17921}}^1$

素因数の和:17972

約数の個数: 12

約数和(自身を含む): 23334444

約数和(自身を除く): 4965419

約数列:

[1, 5, 25, 41, 205, 1025, 17921, 89605, 448025, 734761, 3673805, 18369025]

約数ペア:

[(1, 18369025), (5, 3673805), (25, 734761), (41, 448025), (205, 89605), (1025, 17921)]