19987646

素因数分解:

$2^1\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{1361}}^1$

素因数の和:2419

約数の個数: 16

約数和(自身を含む): 34322400

約数和(自身を除く): 14334754

約数列:

[1, 2, 7, 14, 1049, 1361, 2098, 2722, 7343, 9527, 14686, 19054, 1427689, 2855378, 9993823, 19987646]

約数ペア:

[(1, 19987646), (2, 9993823), (7, 2855378), (14, 1427689), (1049, 19054), (1361, 14686), (2098, 9527), (2722, 7343)]