17811398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{42611}}^1$

素因数の和:42643

約数の個数: 16

約数和(自身を含む): 30680640

約数和(自身を除く): 12869242

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 42611, 85222, 468721, 809609, 937442, 1619218, 8905699, 17811398]

約数ペア:

[(1, 17811398), (2, 8905699), (11, 1619218), (19, 937442), (22, 809609), (38, 468721), (209, 85222), (418, 42611)]