19836928

素因数分解:

$2^{12}\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 52

約数和(自身を含む): 41282640

約数和(自身を除く): 21445712

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 167, 232, 256, 334, 464, 512, 668, 928, 1024, 1336, 1856, 2048, 2672, 3712, 4096, 4843, 5344, 7424, 9686, 10688, 14848, 19372, 21376, 29696, 38744, 42752, 59392, 77488, 85504, 118784, 154976, 171008, 309952, 342016, 619904, 684032, 1239808, 2479616, 4959232, 9918464, 19836928]

約数ペア:

[(1, 19836928), (2, 9918464), (4, 4959232), (8, 2479616), (16, 1239808), (29, 684032), (32, 619904), (58, 342016), (64, 309952), (116, 171008), (128, 154976), (167, 118784), (232, 85504), (256, 77488), (334, 59392), (464, 42752), (512, 38744), (668, 29696), (928, 21376), (1024, 19372), (1336, 14848), (1856, 10688), (2048, 9686), (2672, 7424), (3712, 5344), (4096, 4843)]