19953296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113371}}^1$

素因数の和:113390

約数の個数: 20

約数和(自身を含む): 42174384

約数和(自身を除く): 22221088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113371, 226742, 453484, 906968, 1247081, 1813936, 2494162, 4988324, 9976648, 19953296]

約数ペア:

[(1, 19953296), (2, 9976648), (4, 4988324), (8, 2494162), (11, 1813936), (16, 1247081), (22, 906968), (44, 453484), (88, 226742), (176, 113371)]