18252855

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9433}}^1$

素因数の和:9487

約数の個数: 24

約数和(自身を含む): 32377488

約数和(自身を除く): 14124633

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9433, 28299, 47165, 84897, 141495, 405619, 424485, 1216857, 2028095, 3650571, 6084285, 18252855]

約数ペア:

[(1, 18252855), (3, 6084285), (5, 3650571), (9, 2028095), (15, 1216857), (43, 424485), (45, 405619), (129, 141495), (215, 84897), (387, 47165), (645, 28299), (1935, 9433)]