19738624

素因数分解:

$2^{12}\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 52

約数和(自身を含む): 40627360

約数和(自身を除く): 20888736

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 79, 122, 128, 158, 244, 256, 316, 488, 512, 632, 976, 1024, 1264, 1952, 2048, 2528, 3904, 4096, 4819, 5056, 7808, 9638, 10112, 15616, 19276, 20224, 31232, 38552, 40448, 62464, 77104, 80896, 124928, 154208, 161792, 249856, 308416, 323584, 616832, 1233664, 2467328, 4934656, 9869312, 19738624]

約数ペア:

[(1, 19738624), (2, 9869312), (4, 4934656), (8, 2467328), (16, 1233664), (32, 616832), (61, 323584), (64, 308416), (79, 249856), (122, 161792), (128, 154208), (158, 124928), (244, 80896), (256, 77104), (316, 62464), (488, 40448), (512, 38552), (632, 31232), (976, 20224), (1024, 19276), (1264, 15616), (1952, 10112), (2048, 9638), (2528, 7808), (3904, 5056), (4096, 4819)]