19878562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{3359}}^1$

素因数の和:3641

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12780638

約数列:

[1, 2, 11, 22, 269, 538, 2959, 3359, 5918, 6718, 36949, 73898, 903571, 1807142, 9939281, 19878562]

約数ペア:

[(1, 19878562), (2, 9939281), (11, 1807142), (22, 903571), (269, 73898), (538, 36949), (2959, 6718), (3359, 5918)]