18187533

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 14834547

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 419, 477, 689, 819, 1113, 1257, 2067, 2933, 3339, 3771, 4823, 5447, 6201, 8799, 14469, 16341, 22207, 26397, 38129, 43407, 49023, 66621, 114387, 155449, 199863, 288691, 343161, 466347, 866073, 1399041, 2020837, 2598219, 6062511, 18187533]

約数ペア:

[(1, 18187533), (3, 6062511), (7, 2598219), (9, 2020837), (13, 1399041), (21, 866073), (39, 466347), (53, 343161), (63, 288691), (91, 199863), (117, 155449), (159, 114387), (273, 66621), (371, 49023), (419, 43407), (477, 38129), (689, 26397), (819, 22207), (1113, 16341), (1257, 14469), (2067, 8799), (2933, 6201), (3339, 5447), (3771, 4823)]