18869225

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 18

約数和(自身を含む): 24035850

約数和(自身を除く): 5166625

約数列:

[1, 5, 25, 41, 205, 449, 1025, 1681, 2245, 8405, 11225, 18409, 42025, 92045, 460225, 754769, 3773845, 18869225]

約数ペア:

[(1, 18869225), (5, 3773845), (25, 754769), (41, 460225), (205, 92045), (449, 42025), (1025, 18409), (1681, 11225), (2245, 8405)]