18819328

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 42237216

約数和(自身を除く): 23417888

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 128, 163, 164, 176, 256, 326, 328, 352, 451, 652, 656, 704, 902, 1304, 1312, 1408, 1793, 1804, 2608, 2624, 2816, 3586, 3608, 5216, 5248, 6683, 7172, 7216, 10432, 10496, 13366, 14344, 14432, 20864, 26732, 28688, 28864, 41728, 53464, 57376, 57728, 73513, 106928, 114752, 115456, 147026, 213856, 229504, 294052, 427712, 459008, 588104, 855424, 1176208, 1710848, 2352416, 4704832, 9409664, 18819328]

約数ペア:

[(1, 18819328), (2, 9409664), (4, 4704832), (8, 2352416), (11, 1710848), (16, 1176208), (22, 855424), (32, 588104), (41, 459008), (44, 427712), (64, 294052), (82, 229504), (88, 213856), (128, 147026), (163, 115456), (164, 114752), (176, 106928), (256, 73513), (326, 57728), (328, 57376), (352, 53464), (451, 41728), (652, 28864), (656, 28688), (704, 26732), (902, 20864), (1304, 14432), (1312, 14344), (1408, 13366), (1793, 10496), (1804, 10432), (2608, 7216), (2624, 7172), (2816, 6683), (3586, 5248), (3608, 5216)]