19281136

素因数分解:

$2^4\times 7^1\times {\mathrm{172153}}^1$

素因数の和:172168

約数の個数: 20

約数和(自身を含む): 42694192

約数和(自身を除く): 23413056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 172153, 344306, 688612, 1205071, 1377224, 2410142, 2754448, 4820284, 9640568, 19281136]

約数ペア:

[(1, 19281136), (2, 9640568), (4, 4820284), (7, 2754448), (8, 2410142), (14, 1377224), (16, 1205071), (28, 688612), (56, 344306), (112, 172153)]