19000760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 28000840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1087, 1748, 2174, 2185, 3496, 4348, 4370, 5435, 8696, 8740, 10870, 17480, 20653, 21740, 25001, 41306, 43480, 50002, 82612, 100004, 103265, 125005, 165224, 200008, 206530, 250010, 413060, 475019, 500020, 826120, 950038, 1000040, 1900076, 2375095, 3800152, 4750190, 9500380, 19000760]

約数ペア:

[(1, 19000760), (2, 9500380), (4, 4750190), (5, 3800152), (8, 2375095), (10, 1900076), (19, 1000040), (20, 950038), (23, 826120), (38, 500020), (40, 475019), (46, 413060), (76, 250010), (92, 206530), (95, 200008), (115, 165224), (152, 125005), (184, 103265), (190, 100004), (230, 82612), (380, 50002), (437, 43480), (460, 41306), (760, 25001), (874, 21740), (920, 20653), (1087, 17480), (1748, 10870), (2174, 8740), (2185, 8696), (3496, 5435), (4348, 4370)]