19841294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21997}}^1$

素因数の和:22051

約数の個数: 16

約数和(自身を含む): 33260976

約数和(自身を除く): 13419682

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21997, 43994, 241967, 483934, 901877, 1803754, 9920647, 19841294]

約数ペア:

[(1, 19841294), (2, 9920647), (11, 1803754), (22, 901877), (41, 483934), (82, 241967), (451, 43994), (902, 21997)]