18436156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 17851844

約数列:

[1, 2, 4, 19, 23, 38, 46, 53, 76, 92, 106, 199, 212, 398, 437, 796, 874, 1007, 1219, 1748, 2014, 2438, 3781, 4028, 4577, 4876, 7562, 9154, 10547, 15124, 18308, 21094, 23161, 42188, 46322, 86963, 92644, 173926, 200393, 242581, 347852, 400786, 485162, 801572, 970324, 4609039, 9218078, 18436156]

約数ペア:

[(1, 18436156), (2, 9218078), (4, 4609039), (19, 970324), (23, 801572), (38, 485162), (46, 400786), (53, 347852), (76, 242581), (92, 200393), (106, 173926), (199, 92644), (212, 86963), (398, 46322), (437, 42188), (796, 23161), (874, 21094), (1007, 18308), (1219, 15124), (1748, 10547), (2014, 9154), (2438, 7562), (3781, 4876), (4028, 4577)]