19779678

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47777}}^1$

素因数の和:47808

約数の個数: 24

約数和(自身を含む): 44720208

約数和(自身を除く): 24940530

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 47777, 95554, 143331, 286662, 429993, 859986, 1098871, 2197742, 3296613, 6593226, 9889839, 19779678]

約数ペア:

[(1, 19779678), (2, 9889839), (3, 6593226), (6, 3296613), (9, 2197742), (18, 1098871), (23, 859986), (46, 429993), (69, 286662), (138, 143331), (207, 95554), (414, 47777)]