18814288

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 37711872

約数和(自身を除く): 18897584

約数列:

[1, 2, 4, 8, 16, 47, 94, 127, 188, 197, 254, 376, 394, 508, 752, 788, 1016, 1576, 2032, 3152, 5969, 9259, 11938, 18518, 23876, 25019, 37036, 47752, 50038, 74072, 95504, 100076, 148144, 200152, 400304, 1175893, 2351786, 4703572, 9407144, 18814288]

約数ペア:

[(1, 18814288), (2, 9407144), (4, 4703572), (8, 2351786), (16, 1175893), (47, 400304), (94, 200152), (127, 148144), (188, 100076), (197, 95504), (254, 74072), (376, 50038), (394, 47752), (508, 37036), (752, 25019), (788, 23876), (1016, 18518), (1576, 11938), (2032, 9259), (3152, 5969)]