19827564

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 51206400

約数和(自身を除く): 31378836

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 199, 228, 276, 361, 398, 437, 597, 722, 796, 874, 1083, 1194, 1311, 1444, 1748, 2166, 2388, 2622, 3781, 4332, 4577, 5244, 7562, 8303, 9154, 11343, 13731, 15124, 16606, 18308, 22686, 24909, 27462, 33212, 45372, 49818, 54924, 71839, 86963, 99636, 143678, 173926, 215517, 260889, 287356, 347852, 431034, 521778, 862068, 1043556, 1652297, 3304594, 4956891, 6609188, 9913782, 19827564]

約数ペア:

[(1, 19827564), (2, 9913782), (3, 6609188), (4, 4956891), (6, 3304594), (12, 1652297), (19, 1043556), (23, 862068), (38, 521778), (46, 431034), (57, 347852), (69, 287356), (76, 260889), (92, 215517), (114, 173926), (138, 143678), (199, 99636), (228, 86963), (276, 71839), (361, 54924), (398, 49818), (437, 45372), (597, 33212), (722, 27462), (796, 24909), (874, 22686), (1083, 18308), (1194, 16606), (1311, 15124), (1444, 13731), (1748, 11343), (2166, 9154), (2388, 8303), (2622, 7562), (3781, 5244), (4332, 4577)]