1915087972

素因数分解:

$2^2\times 7^2\times {\mathrm{9770857}}^1$

素因数の和:9770875

約数の個数: 18

約数和(自身を含む): 3898572342

約数和(自身を除く): 1983484370

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 9770857, 19541714, 39083428, 68395999, 136791998, 273583996, 478771993, 957543986, 1915087972]

約数ペア:

[(1, 1915087972), (2, 957543986), (4, 478771993), (7, 273583996), (14, 136791998), (28, 68395999), (49, 39083428), (98, 19541714), (196, 9770857)]