19222528

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 78

約数和(自身を含む): 43690794

約数和(自身を除く): 24468266

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 361, 416, 494, 512, 608, 722, 832, 988, 1024, 1216, 1444, 1664, 1976, 2048, 2432, 2888, 3328, 3952, 4096, 4693, 4864, 5776, 6656, 7904, 9386, 9728, 11552, 13312, 15808, 18772, 19456, 23104, 26624, 31616, 37544, 38912, 46208, 53248, 63232, 75088, 77824, 92416, 126464, 150176, 184832, 252928, 300352, 369664, 505856, 600704, 739328, 1011712, 1201408, 1478656, 2402816, 4805632, 9611264, 19222528]

約数ペア:

[(1, 19222528), (2, 9611264), (4, 4805632), (8, 2402816), (13, 1478656), (16, 1201408), (19, 1011712), (26, 739328), (32, 600704), (38, 505856), (52, 369664), (64, 300352), (76, 252928), (104, 184832), (128, 150176), (152, 126464), (208, 92416), (247, 77824), (256, 75088), (304, 63232), (361, 53248), (416, 46208), (494, 38912), (512, 37544), (608, 31616), (722, 26624), (832, 23104), (988, 19456), (1024, 18772), (1216, 15808), (1444, 13312), (1664, 11552), (1976, 9728), (2048, 9386), (2432, 7904), (2888, 6656), (3328, 5776), (3952, 4864), (4096, 4693)]