18390393

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3517}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 30733248

約数和(自身を除く): 12342855

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3517, 5229, 10551, 24619, 31653, 73857, 221571, 291911, 875733, 2043377, 2627199, 6130131, 18390393]

約数ペア:

[(1, 18390393), (3, 6130131), (7, 2627199), (9, 2043377), (21, 875733), (63, 291911), (83, 221571), (249, 73857), (581, 31653), (747, 24619), (1743, 10551), (3517, 5229)]