18519240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 58988160

約数和(自身を除く): 40468920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 97, 111, 120, 129, 148, 172, 185, 194, 215, 222, 258, 291, 296, 344, 370, 388, 430, 444, 485, 516, 555, 582, 645, 740, 776, 860, 888, 970, 1032, 1110, 1164, 1290, 1455, 1480, 1591, 1720, 1940, 2220, 2328, 2580, 2910, 3182, 3589, 3880, 4171, 4440, 4773, 5160, 5820, 6364, 7178, 7955, 8342, 9546, 10767, 11640, 12513, 12728, 14356, 15910, 16684, 17945, 19092, 20855, 21534, 23865, 25026, 28712, 31820, 33368, 35890, 38184, 41710, 43068, 47730, 50052, 53835, 62565, 63640, 71780, 83420, 86136, 95460, 100104, 107670, 125130, 143560, 154327, 166840, 190920, 215340, 250260, 308654, 430680, 462981, 500520, 617308, 771635, 925962, 1234616, 1543270, 1851924, 2314905, 3086540, 3703848, 4629810, 6173080, 9259620, 18519240]

約数ペア:

[(1, 18519240), (2, 9259620), (3, 6173080), (4, 4629810), (5, 3703848), (6, 3086540), (8, 2314905), (10, 1851924), (12, 1543270), (15, 1234616), (20, 925962), (24, 771635), (30, 617308), (37, 500520), (40, 462981), (43, 430680), (60, 308654), (74, 250260), (86, 215340), (97, 190920), (111, 166840), (120, 154327), (129, 143560), (148, 125130), (172, 107670), (185, 100104), (194, 95460), (215, 86136), (222, 83420), (258, 71780), (291, 63640), (296, 62565), (344, 53835), (370, 50052), (388, 47730), (430, 43068), (444, 41710), (485, 38184), (516, 35890), (555, 33368), (582, 31820), (645, 28712), (740, 25026), (776, 23865), (860, 21534), (888, 20855), (970, 19092), (1032, 17945), (1110, 16684), (1164, 15910), (1290, 14356), (1455, 12728), (1480, 12513), (1591, 11640), (1720, 10767), (1940, 9546), (2220, 8342), (2328, 7955), (2580, 7178), (2910, 6364), (3182, 5820), (3589, 5160), (3880, 4773), (4171, 4440)]