19964648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226871}}^1$

素因数の和:226888

約数の個数: 16

約数和(自身を含む): 40836960

約数和(自身を除く): 20872312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226871, 453742, 907484, 1814968, 2495581, 4991162, 9982324, 19964648]

約数ペア:

[(1, 19964648), (2, 9982324), (4, 4991162), (8, 2495581), (11, 1814968), (22, 907484), (44, 453742), (88, 226871)]