19660219145

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{168331}}^1$

素因数の和:168461

約数の個数: 32

約数和(自身を含む): 27924258816

約数和(自身を除く): 8264039671

約数列:

[1, 5, 7, 35, 47, 71, 235, 329, 355, 497, 1645, 2485, 3337, 16685, 23359, 116795, 168331, 841655, 1178317, 5891585, 7911557, 11951501, 39557785, 55380899, 59757505, 83660507, 276904495, 418302535, 561720547, 2808602735, 3932043829, 19660219145]

約数ペア:

[(1, 19660219145), (5, 3932043829), (7, 2808602735), (35, 561720547), (47, 418302535), (71, 276904495), (235, 83660507), (329, 59757505), (355, 55380899), (497, 39557785), (1645, 11951501), (2485, 7911557), (3337, 5891585), (16685, 1178317), (23359, 841655), (116795, 168331)]