19954998

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17597}}^1$

素因数の和:17618

約数の個数: 40

約数和(自身を含む): 51104592

約数和(自身を除く): 31149594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17597, 35194, 52791, 105582, 123179, 158373, 246358, 316746, 369537, 475119, 739074, 950238, 1108611, 1425357, 2217222, 2850714, 3325833, 6651666, 9977499, 19954998]

約数ペア:

[(1, 19954998), (2, 9977499), (3, 6651666), (6, 3325833), (7, 2850714), (9, 2217222), (14, 1425357), (18, 1108611), (21, 950238), (27, 739074), (42, 475119), (54, 369537), (63, 316746), (81, 246358), (126, 158373), (162, 123179), (189, 105582), (378, 52791), (567, 35194), (1134, 17597)]