19744336

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2281}}^1$

素因数の和:2830

約数の個数: 20

約数和(自身を含む): 38342164

約数和(自身を除く): 18597828

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2281, 4328, 4562, 8656, 9124, 18248, 36496, 1234021, 2468042, 4936084, 9872168, 19744336]

約数ペア:

[(1, 19744336), (2, 9872168), (4, 4936084), (8, 2468042), (16, 1234021), (541, 36496), (1082, 18248), (2164, 9124), (2281, 8656), (4328, 4562)]