19499942

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18089}}^1$

素因数の和:18116

約数の個数: 24

約数和(自身を含む): 37120680

約数和(自身を除く): 17620738

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18089, 36178, 126623, 198979, 253246, 397958, 886361, 1392853, 1772722, 2785706, 9749971, 19499942]

約数ペア:

[(1, 19499942), (2, 9749971), (7, 2785706), (11, 1772722), (14, 1392853), (22, 886361), (49, 397958), (77, 253246), (98, 198979), (154, 126623), (539, 36178), (1078, 18089)]