19840810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{180371}}^1$

素因数の和:180389

約数の個数: 16

約数和(自身を含む): 38960352

約数和(自身を除く): 19119542

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 180371, 360742, 901855, 1803710, 1984081, 3968162, 9920405, 19840810]

約数ペア:

[(1, 19840810), (2, 9920405), (5, 3968162), (10, 1984081), (11, 1803710), (22, 901855), (55, 360742), (110, 180371)]