18707418

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 42943680

約数和(自身を除く): 24236262

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 73, 138, 146, 207, 219, 414, 438, 619, 657, 1238, 1314, 1679, 1857, 3358, 3714, 5037, 5571, 10074, 11142, 14237, 15111, 28474, 30222, 42711, 45187, 85422, 90374, 128133, 135561, 256266, 271122, 406683, 813366, 1039301, 2078602, 3117903, 6235806, 9353709, 18707418]

約数ペア:

[(1, 18707418), (2, 9353709), (3, 6235806), (6, 3117903), (9, 2078602), (18, 1039301), (23, 813366), (46, 406683), (69, 271122), (73, 256266), (138, 135561), (146, 128133), (207, 90374), (219, 85422), (414, 45187), (438, 42711), (619, 30222), (657, 28474), (1238, 15111), (1314, 14237), (1679, 11142), (1857, 10074), (3358, 5571), (3714, 5037)]