18879077

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 22194432

約数和(自身を除く): 3315355

約数列:

[1, 7, 53, 151, 337, 371, 1057, 2359, 8003, 17861, 50887, 56021, 125027, 356209, 2697011, 18879077]

約数ペア:

[(1, 18879077), (7, 2697011), (53, 356209), (151, 125027), (337, 56021), (371, 50887), (1057, 17861), (2359, 8003)]