18752912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 19548208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 131, 184, 262, 368, 389, 524, 778, 1048, 1556, 2096, 3013, 3112, 6026, 6224, 8947, 12052, 17894, 24104, 35788, 48208, 50959, 71576, 101918, 143152, 203836, 407672, 815344, 1172057, 2344114, 4688228, 9376456, 18752912]

約数ペア:

[(1, 18752912), (2, 9376456), (4, 4688228), (8, 2344114), (16, 1172057), (23, 815344), (46, 407672), (92, 203836), (131, 143152), (184, 101918), (262, 71576), (368, 50959), (389, 48208), (524, 35788), (778, 24104), (1048, 17894), (1556, 12052), (2096, 8947), (3013, 6224), (3112, 6026)]