18245396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 36926400

約数和(自身を除く): 18681004

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 59, 76, 118, 236, 247, 313, 494, 626, 767, 988, 1121, 1252, 1534, 2242, 3068, 4069, 4484, 5947, 8138, 11894, 14573, 16276, 18467, 23788, 29146, 36934, 58292, 73868, 77311, 154622, 240071, 309244, 350873, 480142, 701746, 960284, 1403492, 4561349, 9122698, 18245396]

約数ペア:

[(1, 18245396), (2, 9122698), (4, 4561349), (13, 1403492), (19, 960284), (26, 701746), (38, 480142), (52, 350873), (59, 309244), (76, 240071), (118, 154622), (236, 77311), (247, 73868), (313, 58292), (494, 36934), (626, 29146), (767, 23788), (988, 18467), (1121, 16276), (1252, 14573), (1534, 11894), (2242, 8138), (3068, 5947), (4069, 4484)]