12988366940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{109201}}^1$

素因数の和:109542

約数の個数: 48

約数和(自身を含む): 28803119520

約数和(自身を除く): 15814752580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 313, 380, 626, 1252, 1565, 3130, 5947, 6260, 11894, 23788, 29735, 59470, 109201, 118940, 218402, 436804, 546005, 1092010, 2074819, 2184020, 4149638, 8299276, 10374095, 20748190, 34179913, 41496380, 68359826, 136719652, 170899565, 341799130, 649418347, 683598260, 1298836694, 2597673388, 3247091735, 6494183470, 12988366940]

約数ペア:

[(1, 12988366940), (2, 6494183470), (4, 3247091735), (5, 2597673388), (10, 1298836694), (19, 683598260), (20, 649418347), (38, 341799130), (76, 170899565), (95, 136719652), (190, 68359826), (313, 41496380), (380, 34179913), (626, 20748190), (1252, 10374095), (1565, 8299276), (3130, 4149638), (5947, 2184020), (6260, 2074819), (11894, 1092010), (23788, 546005), (29735, 436804), (59470, 218402), (109201, 118940)]