19649826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{563}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 48919104

約数和(自身を除く): 29269278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 563, 831, 1126, 1662, 1689, 1939, 2493, 3378, 3878, 3941, 4986, 5067, 5817, 7882, 10134, 11634, 11823, 17451, 23646, 34902, 35469, 70938, 155951, 311902, 467853, 935706, 1091657, 1403559, 2183314, 2807118, 3274971, 6549942, 9824913, 19649826]

約数ペア:

[(1, 19649826), (2, 9824913), (3, 6549942), (6, 3274971), (7, 2807118), (9, 2183314), (14, 1403559), (18, 1091657), (21, 935706), (42, 467853), (63, 311902), (126, 155951), (277, 70938), (554, 35469), (563, 34902), (831, 23646), (1126, 17451), (1662, 11823), (1689, 11634), (1939, 10134), (2493, 7882), (3378, 5817), (3878, 5067), (3941, 4986)]