18804771

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 30093120

約数和(自身を除く): 11288349

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 773, 901, 1431, 2319, 2703, 6957, 8109, 13141, 20871, 24327, 39423, 40969, 118269, 122907, 354807, 368721, 696473, 1106163, 2089419, 6268257, 18804771]

約数ペア:

[(1, 18804771), (3, 6268257), (9, 2089419), (17, 1106163), (27, 696473), (51, 368721), (53, 354807), (153, 122907), (159, 118269), (459, 40969), (477, 39423), (773, 24327), (901, 20871), (1431, 13141), (2319, 8109), (2703, 6957)]