19208860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87313}}^1$

素因数の和:87333

約数の個数: 24

約数和(自身を含む): 44006256

約数和(自身を除く): 24797396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87313, 174626, 349252, 436565, 873130, 960443, 1746260, 1920886, 3841772, 4802215, 9604430, 19208860]

約数ペア:

[(1, 19208860), (2, 9604430), (4, 4802215), (5, 3841772), (10, 1920886), (11, 1746260), (20, 960443), (22, 873130), (44, 436565), (55, 349252), (110, 174626), (220, 87313)]