19809000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 70087680

約数和(自身を除く): 50278680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 71, 72, 75, 90, 93, 100, 120, 124, 125, 142, 150, 155, 180, 186, 200, 213, 225, 248, 250, 279, 284, 300, 310, 355, 360, 372, 375, 426, 450, 465, 500, 558, 568, 600, 620, 639, 710, 744, 750, 775, 852, 900, 930, 1000, 1065, 1116, 1125, 1240, 1278, 1395, 1420, 1500, 1550, 1704, 1775, 1800, 1860, 2130, 2201, 2232, 2250, 2325, 2556, 2790, 2840, 3000, 3100, 3195, 3550, 3720, 3875, 4260, 4402, 4500, 4650, 5112, 5325, 5580, 6200, 6390, 6603, 6975, 7100, 7750, 8520, 8804, 8875, 9000, 9300, 10650, 11005, 11160, 11625, 12780, 13206, 13950, 14200, 15500, 15975, 17608, 17750, 18600, 19809, 21300, 22010, 23250, 25560, 26412, 26625, 27900, 31000, 31950, 33015, 34875, 35500, 39618, 42600, 44020, 46500, 52824, 53250, 55025, 55800, 63900, 66030, 69750, 71000, 79236, 79875, 88040, 93000, 99045, 106500, 110050, 127800, 132060, 139500, 158472, 159750, 165075, 198090, 213000, 220100, 264120, 275125, 279000, 319500, 330150, 396180, 440200, 495225, 550250, 639000, 660300, 792360, 825375, 990450, 1100500, 1320600, 1650750, 1980900, 2201000, 2476125, 3301500, 3961800, 4952250, 6603000, 9904500, 19809000]

約数ペア:

[(1, 19809000), (2, 9904500), (3, 6603000), (4, 4952250), (5, 3961800), (6, 3301500), (8, 2476125), (9, 2201000), (10, 1980900), (12, 1650750), (15, 1320600), (18, 1100500), (20, 990450), (24, 825375), (25, 792360), (30, 660300), (31, 639000), (36, 550250), (40, 495225), (45, 440200), (50, 396180), (60, 330150), (62, 319500), (71, 279000), (72, 275125), (75, 264120), (90, 220100), (93, 213000), (100, 198090), (120, 165075), (124, 159750), (125, 158472), (142, 139500), (150, 132060), (155, 127800), (180, 110050), (186, 106500), (200, 99045), (213, 93000), (225, 88040), (248, 79875), (250, 79236), (279, 71000), (284, 69750), (300, 66030), (310, 63900), (355, 55800), (360, 55025), (372, 53250), (375, 52824), (426, 46500), (450, 44020), (465, 42600), (500, 39618), (558, 35500), (568, 34875), (600, 33015), (620, 31950), (639, 31000), (710, 27900), (744, 26625), (750, 26412), (775, 25560), (852, 23250), (900, 22010), (930, 21300), (1000, 19809), (1065, 18600), (1116, 17750), (1125, 17608), (1240, 15975), (1278, 15500), (1395, 14200), (1420, 13950), (1500, 13206), (1550, 12780), (1704, 11625), (1775, 11160), (1800, 11005), (1860, 10650), (2130, 9300), (2201, 9000), (2232, 8875), (2250, 8804), (2325, 8520), (2556, 7750), (2790, 7100), (2840, 6975), (3000, 6603), (3100, 6390), (3195, 6200), (3550, 5580), (3720, 5325), (3875, 5112), (4260, 4650), (4402, 4500)]