18424240

素因数分解:

$2^4\times 5^1\times {\mathrm{230303}}^1$

素因数の和:230316

約数の個数: 20

約数和(自身を含む): 42836544

約数和(自身を除く): 24412304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230303, 460606, 921212, 1151515, 1842424, 2303030, 3684848, 4606060, 9212120, 18424240]

約数ペア:

[(1, 18424240), (2, 9212120), (4, 4606060), (5, 3684848), (8, 2303030), (10, 1842424), (16, 1151515), (20, 921212), (40, 460606), (80, 230303)]