18579904

素因数分解:

$2^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 56

約数和(自身を含む): 42834560

約数和(自身を除く): 24254656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 134, 224, 268, 448, 469, 536, 619, 938, 1072, 1238, 1876, 2144, 2476, 3752, 4288, 4333, 4952, 7504, 8666, 9904, 15008, 17332, 19808, 30016, 34664, 39616, 41473, 69328, 82946, 138656, 165892, 277312, 290311, 331784, 580622, 663568, 1161244, 1327136, 2322488, 2654272, 4644976, 9289952, 18579904]

約数ペア:

[(1, 18579904), (2, 9289952), (4, 4644976), (7, 2654272), (8, 2322488), (14, 1327136), (16, 1161244), (28, 663568), (32, 580622), (56, 331784), (64, 290311), (67, 277312), (112, 165892), (134, 138656), (224, 82946), (268, 69328), (448, 41473), (469, 39616), (536, 34664), (619, 30016), (938, 19808), (1072, 17332), (1238, 15008), (1876, 9904), (2144, 8666), (2476, 7504), (3752, 4952), (4288, 4333)]