19909286

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:719

約数の個数: 16

約数和(自身を含む): 30338880

約数和(自身を除く): 10429594

約数列:

[1, 2, 109, 218, 271, 337, 542, 674, 29539, 36733, 59078, 73466, 91327, 182654, 9954643, 19909286]

約数ペア:

[(1, 19909286), (2, 9954643), (109, 182654), (218, 91327), (271, 73466), (337, 59078), (542, 36733), (674, 29539)]