19108005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{181981}}^1$

素因数の和:181996

約数の個数: 16

約数和(自身を含む): 34940544

約数和(自身を除く): 15832539

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 181981, 545943, 909905, 1273867, 2729715, 3821601, 6369335, 19108005]

約数ペア:

[(1, 19108005), (3, 6369335), (5, 3821601), (7, 2729715), (15, 1273867), (21, 909905), (35, 545943), (105, 181981)]