19781232

素因数分解:

$2^4\times 3^1\times {\mathrm{412109}}^1$

素因数の和:412120

約数の個数: 20

約数和(自身を含む): 51101640

約数和(自身を除く): 31320408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 412109, 824218, 1236327, 1648436, 2472654, 3296872, 4945308, 6593744, 9890616, 19781232]

約数ペア:

[(1, 19781232), (2, 9890616), (3, 6593744), (4, 4945308), (6, 3296872), (8, 2472654), (12, 1648436), (16, 1236327), (24, 824218), (48, 412109)]