2051278418

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7711573}}^1$

素因数の和:7711601

約数の個数: 16

約数和(自身を含む): 3701555520

約数和(自身を除く): 1650277102

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 7711573, 15423146, 53981011, 107962022, 146519887, 293039774, 1025639209, 2051278418]

約数ペア:

[(1, 2051278418), (2, 1025639209), (7, 293039774), (14, 146519887), (19, 107962022), (38, 53981011), (133, 15423146), (266, 7711573)]