19401242

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72937}}^1$

素因数の和:72965

約数の個数: 16

約数和(自身を含む): 35010240

約数和(自身を除く): 15608998

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72937, 145874, 510559, 1021118, 1385803, 2771606, 9700621, 19401242]

約数ペア:

[(1, 19401242), (2, 9700621), (7, 2771606), (14, 1385803), (19, 1021118), (38, 510559), (133, 145874), (266, 72937)]