20183812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{709}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 18462908

約数列:

[1, 2, 4, 11, 22, 44, 647, 709, 1294, 1418, 2588, 2836, 7117, 7799, 14234, 15598, 28468, 31196, 458723, 917446, 1834892, 5045953, 10091906, 20183812]

約数ペア:

[(1, 20183812), (2, 10091906), (4, 5045953), (11, 1834892), (22, 917446), (44, 458723), (647, 31196), (709, 28468), (1294, 15598), (1418, 14234), (2588, 7799), (2836, 7117)]