19809240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 46718760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 349, 430, 440, 473, 516, 645, 660, 698, 860, 946, 1032, 1047, 1290, 1320, 1396, 1419, 1720, 1745, 1892, 2094, 2365, 2580, 2792, 2838, 3490, 3784, 3839, 4188, 4730, 5160, 5235, 5676, 6980, 7095, 7678, 8376, 9460, 10470, 11352, 11517, 13960, 14190, 15007, 15356, 18920, 19195, 20940, 23034, 28380, 30014, 30712, 38390, 41880, 45021, 46068, 56760, 57585, 60028, 75035, 76780, 90042, 92136, 115170, 120056, 150070, 153560, 165077, 180084, 225105, 230340, 300140, 330154, 360168, 450210, 460680, 495231, 600280, 660308, 825385, 900420, 990462, 1320616, 1650770, 1800840, 1980924, 2476155, 3301540, 3961848, 4952310, 6603080, 9904620, 19809240]

約数ペア:

[(1, 19809240), (2, 9904620), (3, 6603080), (4, 4952310), (5, 3961848), (6, 3301540), (8, 2476155), (10, 1980924), (11, 1800840), (12, 1650770), (15, 1320616), (20, 990462), (22, 900420), (24, 825385), (30, 660308), (33, 600280), (40, 495231), (43, 460680), (44, 450210), (55, 360168), (60, 330154), (66, 300140), (86, 230340), (88, 225105), (110, 180084), (120, 165077), (129, 153560), (132, 150070), (165, 120056), (172, 115170), (215, 92136), (220, 90042), (258, 76780), (264, 75035), (330, 60028), (344, 57585), (349, 56760), (430, 46068), (440, 45021), (473, 41880), (516, 38390), (645, 30712), (660, 30014), (698, 28380), (860, 23034), (946, 20940), (1032, 19195), (1047, 18920), (1290, 15356), (1320, 15007), (1396, 14190), (1419, 13960), (1720, 11517), (1745, 11352), (1892, 10470), (2094, 9460), (2365, 8376), (2580, 7678), (2792, 7095), (2838, 6980), (3490, 5676), (3784, 5235), (3839, 5160), (4188, 4730)]