19178764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{435881}}^1$

素因数の和:435896

約数の個数: 12

約数和(自身を含む): 36614088

約数和(自身を除く): 17435324

約数列:

[1, 2, 4, 11, 22, 44, 435881, 871762, 1743524, 4794691, 9589382, 19178764]

約数ペア:

[(1, 19178764), (2, 9589382), (4, 4794691), (11, 1743524), (22, 871762), (44, 435881)]