18779784

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 29742456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 103, 107, 142, 206, 213, 214, 284, 309, 321, 412, 426, 428, 568, 618, 642, 824, 852, 856, 1236, 1284, 1704, 2472, 2568, 7313, 7597, 11021, 14626, 15194, 21939, 22042, 22791, 29252, 30388, 33063, 43878, 44084, 45582, 58504, 60776, 66126, 87756, 88168, 91164, 132252, 175512, 182328, 264504, 782491, 1564982, 2347473, 3129964, 4694946, 6259928, 9389892, 18779784]

約数ペア:

[(1, 18779784), (2, 9389892), (3, 6259928), (4, 4694946), (6, 3129964), (8, 2347473), (12, 1564982), (24, 782491), (71, 264504), (103, 182328), (107, 175512), (142, 132252), (206, 91164), (213, 88168), (214, 87756), (284, 66126), (309, 60776), (321, 58504), (412, 45582), (426, 44084), (428, 43878), (568, 33063), (618, 30388), (642, 29252), (824, 22791), (852, 22042), (856, 21939), (1236, 15194), (1284, 14626), (1704, 11021), (2472, 7597), (2568, 7313)]