19988292

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38737}}^1$

素因数の和:38787

約数の個数: 24

約数和(自身を含む): 47725216

約数和(自身を除く): 27736924

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38737, 77474, 116211, 154948, 232422, 464844, 1665691, 3331382, 4997073, 6662764, 9994146, 19988292]

約数ペア:

[(1, 19988292), (2, 9994146), (3, 6662764), (4, 4997073), (6, 3331382), (12, 1665691), (43, 464844), (86, 232422), (129, 154948), (172, 116211), (258, 77474), (516, 38737)]