19187432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 20236888

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 337, 647, 674, 1294, 1348, 2588, 2696, 3707, 5176, 7117, 7414, 14234, 14828, 28468, 29656, 56936, 218039, 436078, 872156, 1744312, 2398429, 4796858, 9593716, 19187432]

約数ペア:

[(1, 19187432), (2, 9593716), (4, 4796858), (8, 2398429), (11, 1744312), (22, 872156), (44, 436078), (88, 218039), (337, 56936), (647, 29656), (674, 28468), (1294, 14828), (1348, 14234), (2588, 7414), (2696, 7117), (3707, 5176)]