19237500

素因数分解:

$2^2\times 3^4\times 5^5\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 180

約数和(自身を含む): 66167640

約数和(自身を除く): 46930140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 81, 90, 95, 100, 108, 114, 125, 135, 150, 162, 171, 180, 190, 225, 228, 250, 270, 285, 300, 324, 342, 375, 380, 405, 450, 475, 500, 513, 540, 570, 625, 675, 684, 750, 810, 855, 900, 950, 1026, 1125, 1140, 1250, 1350, 1425, 1500, 1539, 1620, 1710, 1875, 1900, 2025, 2052, 2250, 2375, 2500, 2565, 2700, 2850, 3078, 3125, 3375, 3420, 3750, 4050, 4275, 4500, 4750, 5130, 5625, 5700, 6156, 6250, 6750, 7125, 7500, 7695, 8100, 8550, 9375, 9500, 10125, 10260, 11250, 11875, 12500, 12825, 13500, 14250, 15390, 16875, 17100, 18750, 20250, 21375, 22500, 23750, 25650, 28125, 28500, 30780, 33750, 35625, 37500, 38475, 40500, 42750, 47500, 50625, 51300, 56250, 59375, 64125, 67500, 71250, 76950, 84375, 85500, 101250, 106875, 112500, 118750, 128250, 142500, 153900, 168750, 178125, 192375, 202500, 213750, 237500, 253125, 256500, 320625, 337500, 356250, 384750, 427500, 506250, 534375, 641250, 712500, 769500, 961875, 1012500, 1068750, 1282500, 1603125, 1923750, 2137500, 3206250, 3847500, 4809375, 6412500, 9618750, 19237500]

約数ペア:

[(1, 19237500), (2, 9618750), (3, 6412500), (4, 4809375), (5, 3847500), (6, 3206250), (9, 2137500), (10, 1923750), (12, 1603125), (15, 1282500), (18, 1068750), (19, 1012500), (20, 961875), (25, 769500), (27, 712500), (30, 641250), (36, 534375), (38, 506250), (45, 427500), (50, 384750), (54, 356250), (57, 337500), (60, 320625), (75, 256500), (76, 253125), (81, 237500), (90, 213750), (95, 202500), (100, 192375), (108, 178125), (114, 168750), (125, 153900), (135, 142500), (150, 128250), (162, 118750), (171, 112500), (180, 106875), (190, 101250), (225, 85500), (228, 84375), (250, 76950), (270, 71250), (285, 67500), (300, 64125), (324, 59375), (342, 56250), (375, 51300), (380, 50625), (405, 47500), (450, 42750), (475, 40500), (500, 38475), (513, 37500), (540, 35625), (570, 33750), (625, 30780), (675, 28500), (684, 28125), (750, 25650), (810, 23750), (855, 22500), (900, 21375), (950, 20250), (1026, 18750), (1125, 17100), (1140, 16875), (1250, 15390), (1350, 14250), (1425, 13500), (1500, 12825), (1539, 12500), (1620, 11875), (1710, 11250), (1875, 10260), (1900, 10125), (2025, 9500), (2052, 9375), (2250, 8550), (2375, 8100), (2500, 7695), (2565, 7500), (2700, 7125), (2850, 6750), (3078, 6250), (3125, 6156), (3375, 5700), (3420, 5625), (3750, 5130), (4050, 4750), (4275, 4500)]