19745786

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1709}}^1$

素因数の和:1873

約数の個数: 16

約数和(自身を含む): 30472200

約数和(自身を除く): 10726414

約数列:

[1, 2, 53, 106, 109, 218, 1709, 3418, 5777, 11554, 90577, 181154, 186281, 372562, 9872893, 19745786]

約数ペア:

[(1, 19745786), (2, 9872893), (53, 372562), (106, 186281), (109, 181154), (218, 90577), (1709, 11554), (3418, 5777)]