18660376

素因数分解:

$2^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 22420664

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 181, 196, 263, 362, 392, 526, 724, 1052, 1267, 1448, 1841, 2104, 2534, 3682, 5068, 7364, 8869, 10136, 12887, 14728, 17738, 25774, 35476, 47603, 51548, 70952, 95206, 103096, 190412, 333221, 380824, 666442, 1332884, 2332547, 2665768, 4665094, 9330188, 18660376]

約数ペア:

[(1, 18660376), (2, 9330188), (4, 4665094), (7, 2665768), (8, 2332547), (14, 1332884), (28, 666442), (49, 380824), (56, 333221), (98, 190412), (181, 103096), (196, 95206), (263, 70952), (362, 51548), (392, 47603), (526, 35476), (724, 25774), (1052, 17738), (1267, 14728), (1448, 12887), (1841, 10136), (2104, 8869), (2534, 7364), (3682, 5068)]