19948808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226691}}^1$

素因数の和:226708

約数の個数: 16

約数和(自身を含む): 40804560

約数和(自身を除く): 20855752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226691, 453382, 906764, 1813528, 2493601, 4987202, 9974404, 19948808]

約数ペア:

[(1, 19948808), (2, 9974404), (4, 4987202), (8, 2493601), (11, 1813528), (22, 906764), (44, 453382), (88, 226691)]