15561872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{22619}}^1$

素因数の和:22670

約数の個数: 20

約数和(自身を含む): 30853680

約数和(自身を除く): 15291808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 22619, 45238, 90476, 180952, 361904, 972617, 1945234, 3890468, 7780936, 15561872]

約数ペア:

[(1, 15561872), (2, 7780936), (4, 3890468), (8, 1945234), (16, 972617), (43, 361904), (86, 180952), (172, 90476), (344, 45238), (688, 22619)]