18782740

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2011}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 39547872

約数和(自身を除く): 20765132

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2011, 2335, 4022, 4670, 8044, 9340, 10055, 20110, 40220, 939137, 1878274, 3756548, 4695685, 9391370, 18782740]

約数ペア:

[(1, 18782740), (2, 9391370), (4, 4695685), (5, 3756548), (10, 1878274), (20, 939137), (467, 40220), (934, 20110), (1868, 10055), (2011, 9340), (2335, 8044), (4022, 4670)]