19908530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117109}}^1$

素因数の和:117133

約数の個数: 16

約数和(自身を含む): 37943640

約数和(自身を除く): 18035110

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 117109, 234218, 585545, 1171090, 1990853, 3981706, 9954265, 19908530]

約数ペア:

[(1, 19908530), (2, 9954265), (5, 3981706), (10, 1990853), (17, 1171090), (34, 585545), (85, 234218), (170, 117109)]