19903982

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74827}}^1$

素因数の和:74855

約数の個数: 16

約数和(自身を含む): 35917440

約数和(自身を除く): 16013458

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74827, 149654, 523789, 1047578, 1421713, 2843426, 9951991, 19903982]

約数ペア:

[(1, 19903982), (2, 9951991), (7, 2843426), (14, 1421713), (19, 1047578), (38, 523789), (133, 149654), (266, 74827)]