19275140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 23060860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 167, 199, 290, 334, 398, 580, 668, 796, 835, 995, 1670, 1990, 3340, 3980, 4843, 5771, 9686, 11542, 19372, 23084, 24215, 28855, 33233, 48430, 57710, 66466, 96860, 115420, 132932, 166165, 332330, 664660, 963757, 1927514, 3855028, 4818785, 9637570, 19275140]

約数ペア:

[(1, 19275140), (2, 9637570), (4, 4818785), (5, 3855028), (10, 1927514), (20, 963757), (29, 664660), (58, 332330), (116, 166165), (145, 132932), (167, 115420), (199, 96860), (290, 66466), (334, 57710), (398, 48430), (580, 33233), (668, 28855), (796, 24215), (835, 23084), (995, 19372), (1670, 11542), (1990, 9686), (3340, 5771), (3980, 4843)]