19979968356

素因数分解:

$2^2\times 3^7\times {\mathrm{2283947}}^1$

素因数の和:2283972

約数の個数: 48

約数和(自身を含む): 52439446080

約数和(自身を除く): 32459477724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2916, 4374, 8748, 2283947, 4567894, 6851841, 9135788, 13703682, 20555523, 27407364, 41111046, 61666569, 82222092, 123333138, 184999707, 246666276, 369999414, 554999121, 739998828, 1109998242, 1664997363, 2219996484, 3329994726, 4994992089, 6659989452, 9989984178, 19979968356]

約数ペア:

[(1, 19979968356), (2, 9989984178), (3, 6659989452), (4, 4994992089), (6, 3329994726), (9, 2219996484), (12, 1664997363), (18, 1109998242), (27, 739998828), (36, 554999121), (54, 369999414), (81, 246666276), (108, 184999707), (162, 123333138), (243, 82222092), (324, 61666569), (486, 41111046), (729, 27407364), (972, 20555523), (1458, 13703682), (2187, 9135788), (2916, 6851841), (4374, 4567894), (8748, 2283947)]