19661992

素因数分解:

$2^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{733}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 42278400

約数和(自身を除く): 22616408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 479, 733, 958, 1466, 1916, 2932, 3353, 3832, 5131, 5864, 6706, 10262, 13412, 20524, 26824, 41048, 351107, 702214, 1404428, 2457749, 2808856, 4915498, 9830996, 19661992]

約数ペア:

[(1, 19661992), (2, 9830996), (4, 4915498), (7, 2808856), (8, 2457749), (14, 1404428), (28, 702214), (56, 351107), (479, 41048), (733, 26824), (958, 20524), (1466, 13412), (1916, 10262), (2932, 6706), (3353, 5864), (3832, 5131)]