19449826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21563}}^1$

素因数の和:21617

約数の個数: 16

約数和(自身を含む): 32604768

約数和(自身を除く): 13154942

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21563, 43126, 237193, 474386, 884083, 1768166, 9724913, 19449826]

約数ペア:

[(1, 19449826), (2, 9724913), (11, 1768166), (22, 884083), (41, 474386), (82, 237193), (451, 43126), (902, 21563)]