19888050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 63995904

約数和(自身を除く): 44107854

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 31, 35, 39, 42, 47, 50, 62, 65, 70, 75, 78, 91, 93, 94, 105, 130, 141, 150, 155, 175, 182, 186, 195, 210, 217, 235, 273, 282, 310, 325, 329, 350, 390, 403, 434, 455, 465, 470, 525, 546, 611, 650, 651, 658, 705, 775, 806, 910, 930, 975, 987, 1050, 1085, 1175, 1209, 1222, 1302, 1365, 1410, 1457, 1550, 1645, 1833, 1950, 1974, 2015, 2170, 2275, 2325, 2350, 2418, 2730, 2821, 2914, 3055, 3255, 3290, 3525, 3666, 4030, 4277, 4371, 4550, 4650, 4935, 5425, 5642, 6045, 6110, 6510, 6825, 7050, 7285, 8225, 8463, 8554, 8742, 9165, 9870, 10075, 10199, 10850, 12090, 12831, 13650, 14105, 14570, 15275, 16275, 16450, 16926, 18330, 18941, 20150, 20398, 21385, 21855, 24675, 25662, 28210, 30225, 30550, 30597, 32550, 36425, 37882, 42315, 42770, 43710, 45825, 49350, 50995, 56823, 60450, 61194, 64155, 70525, 72850, 84630, 91650, 94705, 101990, 106925, 109275, 113646, 128310, 132587, 141050, 152985, 189410, 211575, 213850, 218550, 254975, 265174, 284115, 305970, 320775, 397761, 423150, 473525, 509950, 568230, 641550, 662935, 764925, 795522, 947050, 1325870, 1420575, 1529850, 1988805, 2841150, 3314675, 3977610, 6629350, 9944025, 19888050]

約数ペア:

[(1, 19888050), (2, 9944025), (3, 6629350), (5, 3977610), (6, 3314675), (7, 2841150), (10, 1988805), (13, 1529850), (14, 1420575), (15, 1325870), (21, 947050), (25, 795522), (26, 764925), (30, 662935), (31, 641550), (35, 568230), (39, 509950), (42, 473525), (47, 423150), (50, 397761), (62, 320775), (65, 305970), (70, 284115), (75, 265174), (78, 254975), (91, 218550), (93, 213850), (94, 211575), (105, 189410), (130, 152985), (141, 141050), (150, 132587), (155, 128310), (175, 113646), (182, 109275), (186, 106925), (195, 101990), (210, 94705), (217, 91650), (235, 84630), (273, 72850), (282, 70525), (310, 64155), (325, 61194), (329, 60450), (350, 56823), (390, 50995), (403, 49350), (434, 45825), (455, 43710), (465, 42770), (470, 42315), (525, 37882), (546, 36425), (611, 32550), (650, 30597), (651, 30550), (658, 30225), (705, 28210), (775, 25662), (806, 24675), (910, 21855), (930, 21385), (975, 20398), (987, 20150), (1050, 18941), (1085, 18330), (1175, 16926), (1209, 16450), (1222, 16275), (1302, 15275), (1365, 14570), (1410, 14105), (1457, 13650), (1550, 12831), (1645, 12090), (1833, 10850), (1950, 10199), (1974, 10075), (2015, 9870), (2170, 9165), (2275, 8742), (2325, 8554), (2350, 8463), (2418, 8225), (2730, 7285), (2821, 7050), (2914, 6825), (3055, 6510), (3255, 6110), (3290, 6045), (3525, 5642), (3666, 5425), (4030, 4935), (4277, 4650), (4371, 4550)]