19438986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1843

約数の個数: 48

約数和(自身を含む): 46473696

約数和(自身を除く): 27034710

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1787, 1813, 3574, 3626, 5361, 5439, 10722, 10878, 12509, 25018, 37527, 66119, 75054, 87563, 132238, 175126, 198357, 262689, 396714, 462833, 525378, 925666, 1388499, 2776998, 3239831, 6479662, 9719493, 19438986]

約数ペア:

[(1, 19438986), (2, 9719493), (3, 6479662), (6, 3239831), (7, 2776998), (14, 1388499), (21, 925666), (37, 525378), (42, 462833), (49, 396714), (74, 262689), (98, 198357), (111, 175126), (147, 132238), (222, 87563), (259, 75054), (294, 66119), (518, 37527), (777, 25018), (1554, 12509), (1787, 10878), (1813, 10722), (3574, 5439), (3626, 5361)]