18901060

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5659}}^1$

素因数の和:5835

約数の個数: 24

約数和(自身を含む): 39936960

約数和(自身を除く): 21035900

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5659, 11318, 22636, 28295, 56590, 113180, 945053, 1890106, 3780212, 4725265, 9450530, 18901060]

約数ペア:

[(1, 18901060), (2, 9450530), (4, 4725265), (5, 3780212), (10, 1890106), (20, 945053), (167, 113180), (334, 56590), (668, 28295), (835, 22636), (1670, 11318), (3340, 5659)]