18500463

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 28051920

約数和(自身を除く): 9551457

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 971, 2117, 2913, 6351, 8739, 19053, 28159, 70883, 84477, 212649, 253431, 637947, 2055607, 6166821, 18500463]

約数ペア:

[(1, 18500463), (3, 6166821), (9, 2055607), (29, 637947), (73, 253431), (87, 212649), (219, 84477), (261, 70883), (657, 28159), (971, 19053), (2117, 8739), (2913, 6351)]