19723928

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8191}}^1$

素因数の和:8247

約数の個数: 32

約数和(自身を含む): 43253760

約数和(自身を除く): 23529832

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8191, 16382, 32764, 57337, 65528, 114674, 229348, 352213, 458696, 704426, 1408852, 2465491, 2817704, 4930982, 9861964, 19723928]

約数ペア:

[(1, 19723928), (2, 9861964), (4, 4930982), (7, 2817704), (8, 2465491), (14, 1408852), (28, 704426), (43, 458696), (56, 352213), (86, 229348), (172, 114674), (301, 65528), (344, 57337), (602, 32764), (1204, 16382), (2408, 8191)]