18239488

素因数分解:

$2^{12}\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 52

約数和(自身を含む): 37580308

約数和(自身を除く): 19340820

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 73, 122, 128, 146, 244, 256, 292, 488, 512, 584, 976, 1024, 1168, 1952, 2048, 2336, 3904, 4096, 4453, 4672, 7808, 8906, 9344, 15616, 17812, 18688, 31232, 35624, 37376, 62464, 71248, 74752, 124928, 142496, 149504, 249856, 284992, 299008, 569984, 1139968, 2279936, 4559872, 9119744, 18239488]

約数ペア:

[(1, 18239488), (2, 9119744), (4, 4559872), (8, 2279936), (16, 1139968), (32, 569984), (61, 299008), (64, 284992), (73, 249856), (122, 149504), (128, 142496), (146, 124928), (244, 74752), (256, 71248), (292, 62464), (488, 37376), (512, 35624), (584, 31232), (976, 18688), (1024, 17812), (1168, 15616), (1952, 9344), (2048, 8906), (2336, 7808), (3904, 4672), (4096, 4453)]