19969929

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 34077440

約数和(自身を除く): 14107511

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 673, 1099, 1413, 2019, 3297, 4239, 4711, 6057, 9891, 14133, 18171, 29673, 42399, 105661, 127197, 316983, 739627, 950949, 2218881, 2852847, 6656643, 19969929]

約数ペア:

[(1, 19969929), (3, 6656643), (7, 2852847), (9, 2218881), (21, 950949), (27, 739627), (63, 316983), (157, 127197), (189, 105661), (471, 42399), (673, 29673), (1099, 18171), (1413, 14133), (2019, 9891), (3297, 6057), (4239, 4711)]