19170448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108923}}^1$

素因数の和:108942

約数の個数: 20

約数和(自身を含む): 40519728

約数和(自身を除く): 21349280

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108923, 217846, 435692, 871384, 1198153, 1742768, 2396306, 4792612, 9585224, 19170448]

約数ペア:

[(1, 19170448), (2, 9585224), (4, 4792612), (8, 2396306), (11, 1742768), (16, 1198153), (22, 871384), (44, 435692), (88, 217846), (176, 108923)]