19456500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 49732620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 109, 119, 125, 140, 150, 170, 175, 204, 210, 218, 238, 250, 255, 300, 327, 340, 350, 357, 375, 420, 425, 436, 476, 500, 510, 525, 545, 595, 654, 700, 714, 750, 763, 850, 875, 1020, 1050, 1090, 1190, 1275, 1308, 1428, 1500, 1526, 1635, 1700, 1750, 1785, 1853, 2100, 2125, 2180, 2289, 2380, 2550, 2625, 2725, 2975, 3052, 3270, 3500, 3570, 3706, 3815, 4250, 4578, 5100, 5250, 5450, 5559, 5950, 6375, 6540, 7140, 7412, 7630, 8175, 8500, 8925, 9156, 9265, 10500, 10900, 11118, 11445, 11900, 12750, 12971, 13625, 14875, 15260, 16350, 17850, 18530, 19075, 22236, 22890, 25500, 25942, 27250, 27795, 29750, 32700, 35700, 37060, 38150, 38913, 40875, 44625, 45780, 46325, 51884, 54500, 55590, 57225, 59500, 64855, 76300, 77826, 81750, 89250, 92650, 95375, 111180, 114450, 129710, 138975, 155652, 163500, 178500, 185300, 190750, 194565, 228900, 231625, 259420, 277950, 286125, 324275, 381500, 389130, 463250, 555900, 572250, 648550, 694875, 778260, 926500, 972825, 1144500, 1297100, 1389750, 1621375, 1945650, 2779500, 3242750, 3891300, 4864125, 6485500, 9728250, 19456500]

約数ペア:

[(1, 19456500), (2, 9728250), (3, 6485500), (4, 4864125), (5, 3891300), (6, 3242750), (7, 2779500), (10, 1945650), (12, 1621375), (14, 1389750), (15, 1297100), (17, 1144500), (20, 972825), (21, 926500), (25, 778260), (28, 694875), (30, 648550), (34, 572250), (35, 555900), (42, 463250), (50, 389130), (51, 381500), (60, 324275), (68, 286125), (70, 277950), (75, 259420), (84, 231625), (85, 228900), (100, 194565), (102, 190750), (105, 185300), (109, 178500), (119, 163500), (125, 155652), (140, 138975), (150, 129710), (170, 114450), (175, 111180), (204, 95375), (210, 92650), (218, 89250), (238, 81750), (250, 77826), (255, 76300), (300, 64855), (327, 59500), (340, 57225), (350, 55590), (357, 54500), (375, 51884), (420, 46325), (425, 45780), (436, 44625), (476, 40875), (500, 38913), (510, 38150), (525, 37060), (545, 35700), (595, 32700), (654, 29750), (700, 27795), (714, 27250), (750, 25942), (763, 25500), (850, 22890), (875, 22236), (1020, 19075), (1050, 18530), (1090, 17850), (1190, 16350), (1275, 15260), (1308, 14875), (1428, 13625), (1500, 12971), (1526, 12750), (1635, 11900), (1700, 11445), (1750, 11118), (1785, 10900), (1853, 10500), (2100, 9265), (2125, 9156), (2180, 8925), (2289, 8500), (2380, 8175), (2550, 7630), (2625, 7412), (2725, 7140), (2975, 6540), (3052, 6375), (3270, 5950), (3500, 5559), (3570, 5450), (3706, 5250), (3815, 5100), (4250, 4578)]