19707750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 56216160

約数和(自身を除く): 36508410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 125, 150, 171, 190, 225, 250, 285, 342, 375, 450, 461, 475, 570, 750, 855, 922, 950, 1125, 1383, 1425, 1710, 2250, 2305, 2375, 2766, 2850, 4149, 4275, 4610, 4750, 6915, 7125, 8298, 8550, 8759, 11525, 13830, 14250, 17518, 20745, 21375, 23050, 26277, 34575, 41490, 42750, 43795, 52554, 57625, 69150, 78831, 87590, 103725, 115250, 131385, 157662, 172875, 207450, 218975, 262770, 345750, 394155, 437950, 518625, 656925, 788310, 1037250, 1094875, 1313850, 1970775, 2189750, 3284625, 3941550, 6569250, 9853875, 19707750]

約数ペア:

[(1, 19707750), (2, 9853875), (3, 6569250), (5, 3941550), (6, 3284625), (9, 2189750), (10, 1970775), (15, 1313850), (18, 1094875), (19, 1037250), (25, 788310), (30, 656925), (38, 518625), (45, 437950), (50, 394155), (57, 345750), (75, 262770), (90, 218975), (95, 207450), (114, 172875), (125, 157662), (150, 131385), (171, 115250), (190, 103725), (225, 87590), (250, 78831), (285, 69150), (342, 57625), (375, 52554), (450, 43795), (461, 42750), (475, 41490), (570, 34575), (750, 26277), (855, 23050), (922, 21375), (950, 20745), (1125, 17518), (1383, 14250), (1425, 13830), (1710, 11525), (2250, 8759), (2305, 8550), (2375, 8298), (2766, 7125), (2850, 6915), (4149, 4750), (4275, 4610)]