19003964

素因数分解:

$2^2\times 7^2\times {\mathrm{96959}}^1$

素因数の和:96977

約数の個数: 18

約数和(自身を含む): 38687040

約数和(自身を除く): 19683076

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 96959, 193918, 387836, 678713, 1357426, 2714852, 4750991, 9501982, 19003964]

約数ペア:

[(1, 19003964), (2, 9501982), (4, 4750991), (7, 2714852), (14, 1357426), (28, 678713), (49, 387836), (98, 193918), (196, 96959)]