19213920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1245

約数の個数: 144

約数和(自身を含む): 71587152

約数和(自身を除く): 52373232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1213, 1320, 1440, 1584, 1760, 1980, 2426, 2640, 3168, 3639, 3960, 4852, 5280, 6065, 7278, 7920, 9704, 10917, 12130, 13343, 14556, 15840, 18195, 19408, 21834, 24260, 26686, 29112, 36390, 38816, 40029, 43668, 48520, 53372, 54585, 58224, 66715, 72780, 80058, 87336, 97040, 106744, 109170, 116448, 120087, 133430, 145560, 160116, 174672, 194080, 200145, 213488, 218340, 240174, 266860, 291120, 320232, 349344, 400290, 426976, 436680, 480348, 533720, 582240, 600435, 640464, 800580, 873360, 960696, 1067440, 1200870, 1280928, 1601160, 1746720, 1921392, 2134880, 2401740, 3202320, 3842784, 4803480, 6404640, 9606960, 19213920]

約数ペア:

[(1, 19213920), (2, 9606960), (3, 6404640), (4, 4803480), (5, 3842784), (6, 3202320), (8, 2401740), (9, 2134880), (10, 1921392), (11, 1746720), (12, 1601160), (15, 1280928), (16, 1200870), (18, 1067440), (20, 960696), (22, 873360), (24, 800580), (30, 640464), (32, 600435), (33, 582240), (36, 533720), (40, 480348), (44, 436680), (45, 426976), (48, 400290), (55, 349344), (60, 320232), (66, 291120), (72, 266860), (80, 240174), (88, 218340), (90, 213488), (96, 200145), (99, 194080), (110, 174672), (120, 160116), (132, 145560), (144, 133430), (160, 120087), (165, 116448), (176, 109170), (180, 106744), (198, 97040), (220, 87336), (240, 80058), (264, 72780), (288, 66715), (330, 58224), (352, 54585), (360, 53372), (396, 48520), (440, 43668), (480, 40029), (495, 38816), (528, 36390), (660, 29112), (720, 26686), (792, 24260), (880, 21834), (990, 19408), (1056, 18195), (1213, 15840), (1320, 14556), (1440, 13343), (1584, 12130), (1760, 10917), (1980, 9704), (2426, 7920), (2640, 7278), (3168, 6065), (3639, 5280), (3960, 4852)]