19490042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68147}}^1$

素因数の和:68173

約数の個数: 16

約数和(自身を含む): 34346592

約数和(自身を除く): 14856550

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 68147, 136294, 749617, 885911, 1499234, 1771822, 9745021, 19490042]

約数ペア:

[(1, 19490042), (2, 9745021), (11, 1771822), (13, 1499234), (22, 885911), (26, 749617), (143, 136294), (286, 68147)]