19897658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{1091}}^1$

素因数の和:1933

約数の個数: 16

約数和(自身を含む): 32628960

約数和(自身を除く): 12731302

約数列:

[1, 2, 11, 22, 829, 1091, 1658, 2182, 9119, 12001, 18238, 24002, 904439, 1808878, 9948829, 19897658]

約数ペア:

[(1, 19897658), (2, 9948829), (11, 1808878), (22, 904439), (829, 24002), (1091, 18238), (1658, 12001), (2182, 9119)]