19726336

素因数分解:

$2^{16}\times 7^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 68

約数和(自身を含む): 46136992

約数和(自身を除く): 26410656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 256, 301, 344, 448, 512, 602, 688, 896, 1024, 1204, 1376, 1792, 2048, 2408, 2752, 3584, 4096, 4816, 5504, 7168, 8192, 9632, 11008, 14336, 16384, 19264, 22016, 28672, 32768, 38528, 44032, 57344, 65536, 77056, 88064, 114688, 154112, 176128, 229376, 308224, 352256, 458752, 616448, 704512, 1232896, 1409024, 2465792, 2818048, 4931584, 9863168, 19726336]

約数ペア:

[(1, 19726336), (2, 9863168), (4, 4931584), (7, 2818048), (8, 2465792), (14, 1409024), (16, 1232896), (28, 704512), (32, 616448), (43, 458752), (56, 352256), (64, 308224), (86, 229376), (112, 176128), (128, 154112), (172, 114688), (224, 88064), (256, 77056), (301, 65536), (344, 57344), (448, 44032), (512, 38528), (602, 32768), (688, 28672), (896, 22016), (1024, 19264), (1204, 16384), (1376, 14336), (1792, 11008), (2048, 9632), (2408, 8192), (2752, 7168), (3584, 5504), (4096, 4816)]