19173584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1155

約数の個数: 40

約数和(自身を含む): 39804000

約数和(自身を除く): 20630416

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1069, 1121, 2138, 2242, 4276, 4484, 8552, 8968, 17104, 17936, 20311, 40622, 63071, 81244, 126142, 162488, 252284, 324976, 504568, 1009136, 1198349, 2396698, 4793396, 9586792, 19173584]

約数ペア:

[(1, 19173584), (2, 9586792), (4, 4793396), (8, 2396698), (16, 1198349), (19, 1009136), (38, 504568), (59, 324976), (76, 252284), (118, 162488), (152, 126142), (236, 81244), (304, 63071), (472, 40622), (944, 20311), (1069, 17936), (1121, 17104), (2138, 8968), (2242, 8552), (4276, 4484)]