19550120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10399}}^1$

素因数の和:10457

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 25377880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10399, 20798, 41596, 51995, 83192, 103990, 207980, 415960, 488753, 977506, 1955012, 2443765, 3910024, 4887530, 9775060, 19550120]

約数ペア:

[(1, 19550120), (2, 9775060), (4, 4887530), (5, 3910024), (8, 2443765), (10, 1955012), (20, 977506), (40, 488753), (47, 415960), (94, 207980), (188, 103990), (235, 83192), (376, 51995), (470, 41596), (940, 20798), (1880, 10399)]