19003131

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1112

約数の個数: 36

約数和(自身を含む): 32740344

約数和(自身を除く): 13737213

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1051, 2009, 2583, 3153, 6027, 7357, 9459, 18081, 22071, 43091, 51499, 66213, 129273, 154497, 301637, 387819, 463491, 904911, 2111459, 2714733, 6334377, 19003131]

約数ペア:

[(1, 19003131), (3, 6334377), (7, 2714733), (9, 2111459), (21, 904911), (41, 463491), (49, 387819), (63, 301637), (123, 154497), (147, 129273), (287, 66213), (369, 51499), (441, 43091), (861, 22071), (1051, 18081), (2009, 9459), (2583, 7357), (3153, 6027)]