19182658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2081}}^1$

素因数の和:2513

約数の個数: 16

約数和(自身を含む): 31479840

約数和(自身を除く): 12297182

約数列:

[1, 2, 11, 22, 419, 838, 2081, 4162, 4609, 9218, 22891, 45782, 871939, 1743878, 9591329, 19182658]

約数ペア:

[(1, 19182658), (2, 9591329), (11, 1743878), (22, 871939), (419, 45782), (838, 22891), (2081, 9218), (4162, 4609)]