19729088

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 41038272

約数和(自身を除く): 21309184

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 107, 134, 172, 214, 268, 344, 428, 536, 688, 856, 1072, 1376, 1712, 2144, 2752, 2881, 3424, 4288, 4601, 5762, 6848, 7169, 9202, 11524, 14338, 18404, 23048, 28676, 36808, 46096, 57352, 73616, 92192, 114704, 147232, 184384, 229408, 294464, 308267, 458816, 616534, 1233068, 2466136, 4932272, 9864544, 19729088]

約数ペア:

[(1, 19729088), (2, 9864544), (4, 4932272), (8, 2466136), (16, 1233068), (32, 616534), (43, 458816), (64, 308267), (67, 294464), (86, 229408), (107, 184384), (134, 147232), (172, 114704), (214, 92192), (268, 73616), (344, 57352), (428, 46096), (536, 36808), (688, 28676), (856, 23048), (1072, 18404), (1376, 14338), (1712, 11524), (2144, 9202), (2752, 7169), (2881, 6848), (3424, 5762), (4288, 4601)]