19879629

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13989171

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2099, 3157, 6297, 9471, 14693, 23089, 44079, 69267, 86059, 161623, 258177, 484869, 602413, 946649, 1807239, 2839947, 6626543, 19879629]

約数ペア:

[(1, 19879629), (3, 6626543), (7, 2839947), (11, 1807239), (21, 946649), (33, 602413), (41, 484869), (77, 258177), (123, 161623), (231, 86059), (287, 69267), (451, 44079), (861, 23089), (1353, 14693), (2099, 9471), (3157, 6297)]