19918713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{16981}}^1$

素因数の和:17024

約数の個数: 16

約数和(自身を含む): 29344896

約数和(自身を除く): 9426183

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 16981, 50943, 288677, 390563, 866031, 1171689, 6639571, 19918713]

約数ペア:

[(1, 19918713), (3, 6639571), (17, 1171689), (23, 866031), (51, 390563), (69, 288677), (391, 50943), (1173, 16981)]