19668836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{447019}}^1$

素因数の和:447034

約数の個数: 12

約数和(自身を含む): 37549680

約数和(自身を除く): 17880844

約数列:

[1, 2, 4, 11, 22, 44, 447019, 894038, 1788076, 4917209, 9834418, 19668836]

約数ペア:

[(1, 19668836), (2, 9834418), (4, 4917209), (11, 1788076), (22, 894038), (44, 447019)]