20118130

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18457}}^1$

素因数の和:18573

約数の個数: 16

約数和(自身を含む): 36546840

約数和(自身を除く): 16428710

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18457, 36914, 92285, 184570, 2011813, 4023626, 10059065, 20118130]

約数ペア:

[(1, 20118130), (2, 10059065), (5, 4023626), (10, 2011813), (109, 184570), (218, 92285), (545, 36914), (1090, 18457)]