18988508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61651}}^1$

素因数の和:61673

約数の個数: 24

約数和(自身を含む): 41430144

約数和(自身を除く): 22441636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61651, 123302, 246604, 431557, 678161, 863114, 1356322, 1726228, 2712644, 4747127, 9494254, 18988508]

約数ペア:

[(1, 18988508), (2, 9494254), (4, 4747127), (7, 2712644), (11, 1726228), (14, 1356322), (22, 863114), (28, 678161), (44, 431557), (77, 246604), (154, 123302), (308, 61651)]