19706624

素因数分解:

$2^8\times 7^2\times {\mathrm{1571}}^1$

素因数の和:1601

約数の個数: 54

約数和(自身を含む): 45787644

約数和(自身を除く): 26081020

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, 1568, 1571, 1792, 3136, 3142, 6272, 6284, 10997, 12544, 12568, 21994, 25136, 43988, 50272, 76979, 87976, 100544, 153958, 175952, 201088, 307916, 351904, 402176, 615832, 703808, 1231664, 1407616, 2463328, 2815232, 4926656, 9853312, 19706624]

約数ペア:

[(1, 19706624), (2, 9853312), (4, 4926656), (7, 2815232), (8, 2463328), (14, 1407616), (16, 1231664), (28, 703808), (32, 615832), (49, 402176), (56, 351904), (64, 307916), (98, 201088), (112, 175952), (128, 153958), (196, 100544), (224, 87976), (256, 76979), (392, 50272), (448, 43988), (784, 25136), (896, 21994), (1568, 12568), (1571, 12544), (1792, 10997), (3136, 6284), (3142, 6272)]