19838764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450881}}^1$

素因数の和:450896

約数の個数: 12

約数和(自身を含む): 37874088

約数和(自身を除く): 18035324

約数列:

[1, 2, 4, 11, 22, 44, 450881, 901762, 1803524, 4959691, 9919382, 19838764]

約数ペア:

[(1, 19838764), (2, 9919382), (4, 4959691), (11, 1803524), (22, 901762), (44, 450881)]