19805458

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1217}}^1$

素因数の和:1401

約数の個数: 16

約数和(自身を含む): 30401280

約数和(自身を除く): 10595822

約数列:

[1, 2, 79, 103, 158, 206, 1217, 2434, 8137, 16274, 96143, 125351, 192286, 250702, 9902729, 19805458]

約数ペア:

[(1, 19805458), (2, 9902729), (79, 250702), (103, 192286), (158, 125351), (206, 96143), (1217, 16274), (2434, 8137)]