19441149

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15395331

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 59, 71, 91, 119, 177, 213, 221, 273, 357, 413, 497, 663, 767, 923, 1003, 1207, 1239, 1491, 1547, 2301, 2769, 3009, 3621, 4189, 4641, 5369, 6461, 7021, 8449, 12567, 13039, 15691, 16107, 19383, 21063, 25347, 29323, 39117, 47073, 54457, 71213, 87969, 91273, 109837, 163371, 213639, 273819, 329511, 381199, 498491, 925769, 1143597, 1495473, 2777307, 6480383, 19441149]

約数ペア:

[(1, 19441149), (3, 6480383), (7, 2777307), (13, 1495473), (17, 1143597), (21, 925769), (39, 498491), (51, 381199), (59, 329511), (71, 273819), (91, 213639), (119, 163371), (177, 109837), (213, 91273), (221, 87969), (273, 71213), (357, 54457), (413, 47073), (497, 39117), (663, 29323), (767, 25347), (923, 21063), (1003, 19383), (1207, 16107), (1239, 15691), (1491, 13039), (1547, 12567), (2301, 8449), (2769, 7021), (3009, 6461), (3621, 5369), (4189, 4641)]