19790188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5419}}^1$

素因数の和:5517

約数の個数: 24

約数和(自身を含む): 38243520

約数和(自身を除く): 18453332

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5419, 10838, 21676, 59609, 119218, 238436, 449777, 899554, 1799108, 4947547, 9895094, 19790188]

約数ペア:

[(1, 19790188), (2, 9895094), (4, 4947547), (11, 1799108), (22, 899554), (44, 449777), (83, 238436), (166, 119218), (332, 59609), (913, 21676), (1826, 10838), (3652, 5419)]