19517883

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4487

約数の個数: 32

約数和(自身を含む): 34160640

約数和(自身を除く): 14642757

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4447, 13341, 31129, 48917, 84493, 93387, 146751, 253479, 342419, 591451, 929423, 1027257, 1774353, 2788269, 6505961, 19517883]

約数ペア:

[(1, 19517883), (3, 6505961), (7, 2788269), (11, 1774353), (19, 1027257), (21, 929423), (33, 591451), (57, 342419), (77, 253479), (133, 146751), (209, 93387), (231, 84493), (399, 48917), (627, 31129), (1463, 13341), (4389, 4447)]