19747340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42929}}^1$

素因数の和:42961

約数の個数: 24

約数和(自身を含む): 43273440

約数和(自身を除く): 23526100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42929, 85858, 171716, 214645, 429290, 858580, 987367, 1974734, 3949468, 4936835, 9873670, 19747340]

約数ペア:

[(1, 19747340), (2, 9873670), (4, 4936835), (5, 3949468), (10, 1974734), (20, 987367), (23, 858580), (46, 429290), (92, 214645), (115, 171716), (230, 85858), (460, 42929)]