19519258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2341}}^1$

素因数の和:2733

約数の個数: 16

約数和(自身を含む): 32038560

約数和(自身を除く): 12519302

約数列:

[1, 2, 11, 22, 379, 758, 2341, 4169, 4682, 8338, 25751, 51502, 887239, 1774478, 9759629, 19519258]

約数ペア:

[(1, 19519258), (2, 9759629), (11, 1774478), (22, 887239), (379, 51502), (758, 25751), (2341, 8338), (4169, 4682)]