19685056

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 56

約数和(自身を含む): 41842944

約数和(自身を除く): 22157888

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 172, 184, 311, 344, 368, 622, 688, 736, 989, 1244, 1376, 1472, 1978, 2488, 2752, 3956, 4976, 7153, 7912, 9952, 13373, 14306, 15824, 19904, 26746, 28612, 31648, 53492, 57224, 63296, 106984, 114448, 213968, 228896, 307579, 427936, 457792, 615158, 855872, 1230316, 2460632, 4921264, 9842528, 19685056]

約数ペア:

[(1, 19685056), (2, 9842528), (4, 4921264), (8, 2460632), (16, 1230316), (23, 855872), (32, 615158), (43, 457792), (46, 427936), (64, 307579), (86, 228896), (92, 213968), (172, 114448), (184, 106984), (311, 63296), (344, 57224), (368, 53492), (622, 31648), (688, 28612), (736, 26746), (989, 19904), (1244, 15824), (1376, 14306), (1472, 13373), (1978, 9952), (2488, 7912), (2752, 7153), (3956, 4976)]