18652672

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2178

約数の個数: 40

約数和(自身を含む): 39479616

約数和(自身を除く): 20826944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2143, 2176, 4286, 4352, 8572, 8704, 17144, 34288, 36431, 68576, 72862, 137152, 145724, 274304, 291448, 548608, 582896, 1097216, 1165792, 2331584, 4663168, 9326336, 18652672]

約数ペア:

[(1, 18652672), (2, 9326336), (4, 4663168), (8, 2331584), (16, 1165792), (17, 1097216), (32, 582896), (34, 548608), (64, 291448), (68, 274304), (128, 145724), (136, 137152), (256, 72862), (272, 68576), (512, 36431), (544, 34288), (1088, 17144), (2143, 8704), (2176, 8572), (4286, 4352)]