19787558

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 36453888

約数和(自身を除く): 16666330

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1171, 1207, 2342, 2414, 8197, 8449, 16394, 16898, 19907, 39814, 83141, 139349, 166282, 278698, 581987, 1163974, 1413397, 2826794, 9893779, 19787558]

約数ペア:

[(1, 19787558), (2, 9893779), (7, 2826794), (14, 1413397), (17, 1163974), (34, 581987), (71, 278698), (119, 166282), (142, 139349), (238, 83141), (497, 39814), (994, 19907), (1171, 16898), (1207, 16394), (2342, 8449), (2414, 8197)]