19385564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440581}}^1$

素因数の和:440596

約数の個数: 12

約数和(自身を含む): 37008888

約数和(自身を除く): 17623324

約数列:

[1, 2, 4, 11, 22, 44, 440581, 881162, 1762324, 4846391, 9692782, 19385564]

約数ペア:

[(1, 19385564), (2, 9692782), (4, 4846391), (11, 1762324), (22, 881162), (44, 440581)]