1618878976

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22111}}^1$

素因数の和:22153

約数の個数: 80

約数和(自身を含む): 3800256768

約数和(自身を除く): 2181377792

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 286, 352, 416, 512, 572, 704, 832, 1144, 1408, 1664, 2288, 2816, 3328, 4576, 5632, 6656, 9152, 18304, 22111, 36608, 44222, 73216, 88444, 176888, 243221, 287443, 353776, 486442, 574886, 707552, 972884, 1149772, 1415104, 1945768, 2299544, 2830208, 3161873, 3891536, 4599088, 5660416, 6323746, 7783072, 9198176, 11320832, 12647492, 15566144, 18396352, 25294984, 31132288, 36792704, 50589968, 62264576, 73585408, 101179936, 124529152, 147170816, 202359872, 404719744, 809439488, 1618878976]

約数ペア:

[(1, 1618878976), (2, 809439488), (4, 404719744), (8, 202359872), (11, 147170816), (13, 124529152), (16, 101179936), (22, 73585408), (26, 62264576), (32, 50589968), (44, 36792704), (52, 31132288), (64, 25294984), (88, 18396352), (104, 15566144), (128, 12647492), (143, 11320832), (176, 9198176), (208, 7783072), (256, 6323746), (286, 5660416), (352, 4599088), (416, 3891536), (512, 3161873), (572, 2830208), (704, 2299544), (832, 1945768), (1144, 1415104), (1408, 1149772), (1664, 972884), (2288, 707552), (2816, 574886), (3328, 486442), (4576, 353776), (5632, 287443), (6656, 243221), (9152, 176888), (18304, 88444), (22111, 73216), (36608, 44222)]