19310896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109721}}^1$

素因数の和:109740

約数の個数: 20

約数和(自身を含む): 40816584

約数和(自身を除く): 21505688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109721, 219442, 438884, 877768, 1206931, 1755536, 2413862, 4827724, 9655448, 19310896]

約数ペア:

[(1, 19310896), (2, 9655448), (4, 4827724), (8, 2413862), (11, 1755536), (16, 1206931), (22, 877768), (44, 438884), (88, 219442), (176, 109721)]