19318986

素因数分解:

$2^1\times 3^5\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 43889664

約数和(自身を除く): 24570678

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 243, 254, 313, 381, 486, 626, 762, 939, 1143, 1878, 2286, 2817, 3429, 5634, 6858, 8451, 10287, 16902, 20574, 25353, 30861, 39751, 50706, 61722, 76059, 79502, 119253, 152118, 238506, 357759, 715518, 1073277, 2146554, 3219831, 6439662, 9659493, 19318986]

約数ペア:

[(1, 19318986), (2, 9659493), (3, 6439662), (6, 3219831), (9, 2146554), (18, 1073277), (27, 715518), (54, 357759), (81, 238506), (127, 152118), (162, 119253), (243, 79502), (254, 76059), (313, 61722), (381, 50706), (486, 39751), (626, 30861), (762, 25353), (939, 20574), (1143, 16902), (1878, 10287), (2286, 8451), (2817, 6858), (3429, 5634)]