18884240

素因数分解:

$2^4\times 5^1\times {\mathrm{236053}}^1$

素因数の和:236066

約数の個数: 20

約数和(自身を含む): 43906044

約数和(自身を除く): 25021804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 236053, 472106, 944212, 1180265, 1888424, 2360530, 3776848, 4721060, 9442120, 18884240]

約数ペア:

[(1, 18884240), (2, 9442120), (4, 4721060), (5, 3776848), (8, 2360530), (10, 1888424), (16, 1180265), (20, 944212), (40, 472106), (80, 236053)]