19927556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1283}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 38181024

約数和(自身を除く): 18253468

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1283, 1412, 2566, 3883, 5132, 7766, 14113, 15532, 28226, 56452, 452899, 905798, 1811596, 4981889, 9963778, 19927556]

約数ペア:

[(1, 19927556), (2, 9963778), (4, 4981889), (11, 1811596), (22, 905798), (44, 452899), (353, 56452), (706, 28226), (1283, 15532), (1412, 14113), (2566, 7766), (3883, 5132)]