19519936

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 56

約数和(自身を含む): 40837104

約数和(自身を除く): 21317168

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 164, 172, 173, 328, 344, 346, 656, 688, 692, 1312, 1376, 1384, 1763, 2624, 2752, 2768, 3526, 5536, 7052, 7093, 7439, 11072, 14104, 14186, 14878, 28208, 28372, 29756, 56416, 56744, 59512, 112832, 113488, 119024, 226976, 238048, 304999, 453952, 476096, 609998, 1219996, 2439992, 4879984, 9759968, 19519936]

約数ペア:

[(1, 19519936), (2, 9759968), (4, 4879984), (8, 2439992), (16, 1219996), (32, 609998), (41, 476096), (43, 453952), (64, 304999), (82, 238048), (86, 226976), (164, 119024), (172, 113488), (173, 112832), (328, 59512), (344, 56744), (346, 56416), (656, 29756), (688, 28372), (692, 28208), (1312, 14878), (1376, 14186), (1384, 14104), (1763, 11072), (2624, 7439), (2752, 7093), (2768, 7052), (3526, 5536)]