19837800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 67897440

約数和(自身を除く): 48059640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 103, 107, 120, 150, 180, 200, 206, 214, 225, 300, 309, 321, 360, 412, 428, 450, 515, 535, 600, 618, 642, 824, 856, 900, 927, 963, 1030, 1070, 1236, 1284, 1545, 1605, 1800, 1854, 1926, 2060, 2140, 2472, 2568, 2575, 2675, 3090, 3210, 3708, 3852, 4120, 4280, 4635, 4815, 5150, 5350, 6180, 6420, 7416, 7704, 7725, 8025, 9270, 9630, 10300, 10700, 11021, 12360, 12840, 15450, 16050, 18540, 19260, 20600, 21400, 22042, 23175, 24075, 30900, 32100, 33063, 37080, 38520, 44084, 46350, 48150, 55105, 61800, 64200, 66126, 88168, 92700, 96300, 99189, 110210, 132252, 165315, 185400, 192600, 198378, 220420, 264504, 275525, 330630, 396756, 440840, 495945, 551050, 661260, 793512, 826575, 991890, 1102100, 1322520, 1653150, 1983780, 2204200, 2479725, 3306300, 3967560, 4959450, 6612600, 9918900, 19837800]

約数ペア:

[(1, 19837800), (2, 9918900), (3, 6612600), (4, 4959450), (5, 3967560), (6, 3306300), (8, 2479725), (9, 2204200), (10, 1983780), (12, 1653150), (15, 1322520), (18, 1102100), (20, 991890), (24, 826575), (25, 793512), (30, 661260), (36, 551050), (40, 495945), (45, 440840), (50, 396756), (60, 330630), (72, 275525), (75, 264504), (90, 220420), (100, 198378), (103, 192600), (107, 185400), (120, 165315), (150, 132252), (180, 110210), (200, 99189), (206, 96300), (214, 92700), (225, 88168), (300, 66126), (309, 64200), (321, 61800), (360, 55105), (412, 48150), (428, 46350), (450, 44084), (515, 38520), (535, 37080), (600, 33063), (618, 32100), (642, 30900), (824, 24075), (856, 23175), (900, 22042), (927, 21400), (963, 20600), (1030, 19260), (1070, 18540), (1236, 16050), (1284, 15450), (1545, 12840), (1605, 12360), (1800, 11021), (1854, 10700), (1926, 10300), (2060, 9630), (2140, 9270), (2472, 8025), (2568, 7725), (2575, 7704), (2675, 7416), (3090, 6420), (3210, 6180), (3708, 5350), (3852, 5150), (4120, 4815), (4280, 4635)]