19430656

素因数分解:

$2^8\times 7^2\times {\mathrm{1549}}^1$

素因数の和:1579

約数の個数: 54

約数和(自身を含む): 45146850

約数和(自身を除く): 25716194

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1549, 1568, 1792, 3098, 3136, 6196, 6272, 10843, 12392, 12544, 21686, 24784, 43372, 49568, 75901, 86744, 99136, 151802, 173488, 198272, 303604, 346976, 396544, 607208, 693952, 1214416, 1387904, 2428832, 2775808, 4857664, 9715328, 19430656]

約数ペア:

[(1, 19430656), (2, 9715328), (4, 4857664), (7, 2775808), (8, 2428832), (14, 1387904), (16, 1214416), (28, 693952), (32, 607208), (49, 396544), (56, 346976), (64, 303604), (98, 198272), (112, 173488), (128, 151802), (196, 99136), (224, 86744), (256, 75901), (392, 49568), (448, 43372), (784, 24784), (896, 21686), (1549, 12544), (1568, 12392), (1792, 10843), (3098, 6272), (3136, 6196)]