19307440

素因数分解:

$2^4\times 5^1\times {\mathrm{241343}}^1$

素因数の和:241356

約数の個数: 20

約数和(自身を含む): 44889984

約数和(自身を除く): 25582544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241343, 482686, 965372, 1206715, 1930744, 2413430, 3861488, 4826860, 9653720, 19307440]

約数ペア:

[(1, 19307440), (2, 9653720), (4, 4826860), (5, 3861488), (8, 2413430), (10, 1930744), (16, 1206715), (20, 965372), (40, 482686), (80, 241343)]