19397100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 61246080

約数和(自身を除く): 41848980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 41, 50, 57, 60, 75, 76, 82, 83, 95, 100, 114, 123, 150, 164, 166, 190, 205, 228, 246, 249, 285, 300, 332, 380, 410, 415, 475, 492, 498, 570, 615, 779, 820, 830, 950, 996, 1025, 1140, 1230, 1245, 1425, 1558, 1577, 1660, 1900, 2050, 2075, 2337, 2460, 2490, 2850, 3075, 3116, 3154, 3403, 3895, 4100, 4150, 4674, 4731, 4980, 5700, 6150, 6225, 6308, 6806, 7790, 7885, 8300, 9348, 9462, 10209, 11685, 12300, 12450, 13612, 15580, 15770, 17015, 18924, 19475, 20418, 23370, 23655, 24900, 31540, 34030, 38950, 39425, 40836, 46740, 47310, 51045, 58425, 64657, 68060, 77900, 78850, 85075, 94620, 102090, 116850, 118275, 129314, 157700, 170150, 193971, 204180, 233700, 236550, 255225, 258628, 323285, 340300, 387942, 473100, 510450, 646570, 775884, 969855, 1020900, 1293140, 1616425, 1939710, 3232850, 3879420, 4849275, 6465700, 9698550, 19397100]

約数ペア:

[(1, 19397100), (2, 9698550), (3, 6465700), (4, 4849275), (5, 3879420), (6, 3232850), (10, 1939710), (12, 1616425), (15, 1293140), (19, 1020900), (20, 969855), (25, 775884), (30, 646570), (38, 510450), (41, 473100), (50, 387942), (57, 340300), (60, 323285), (75, 258628), (76, 255225), (82, 236550), (83, 233700), (95, 204180), (100, 193971), (114, 170150), (123, 157700), (150, 129314), (164, 118275), (166, 116850), (190, 102090), (205, 94620), (228, 85075), (246, 78850), (249, 77900), (285, 68060), (300, 64657), (332, 58425), (380, 51045), (410, 47310), (415, 46740), (475, 40836), (492, 39425), (498, 38950), (570, 34030), (615, 31540), (779, 24900), (820, 23655), (830, 23370), (950, 20418), (996, 19475), (1025, 18924), (1140, 17015), (1230, 15770), (1245, 15580), (1425, 13612), (1558, 12450), (1577, 12300), (1660, 11685), (1900, 10209), (2050, 9462), (2075, 9348), (2337, 8300), (2460, 7885), (2490, 7790), (2850, 6806), (3075, 6308), (3116, 6225), (3154, 6150), (3403, 5700), (3895, 4980), (4100, 4731), (4150, 4674)]