19882863

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2207}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 38578176

約数和(自身を除く): 18695313

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2207, 3003, 6621, 9009, 15449, 19863, 24277, 28691, 46347, 72831, 86073, 139041, 169939, 200837, 218493, 258219, 315601, 509817, 602511, 946803, 1529451, 1807533, 2209207, 2840409, 6627621, 19882863]

約数ペア:

[(1, 19882863), (3, 6627621), (7, 2840409), (9, 2209207), (11, 1807533), (13, 1529451), (21, 946803), (33, 602511), (39, 509817), (63, 315601), (77, 258219), (91, 218493), (99, 200837), (117, 169939), (143, 139041), (231, 86073), (273, 72831), (429, 46347), (693, 28691), (819, 24277), (1001, 19863), (1287, 15449), (2207, 9009), (3003, 6621)]