18726188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2749}}^1$

素因数の和:2897

約数の個数: 24

約数和(自身を含む): 35574000

約数和(自身を除く): 16847812

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 2749, 3406, 5498, 6812, 10996, 35737, 71474, 142948, 360119, 720238, 1440476, 4681547, 9363094, 18726188]

約数ペア:

[(1, 18726188), (2, 9363094), (4, 4681547), (13, 1440476), (26, 720238), (52, 360119), (131, 142948), (262, 71474), (524, 35737), (1703, 10996), (2749, 6812), (3406, 5498)]