16985140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4909}}^1$

素因数の和:5091

約数の個数: 24

約数和(自身を含む): 35882280

約数和(自身を除く): 18897140

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 4909, 9818, 19636, 24545, 49090, 98180, 849257, 1698514, 3397028, 4246285, 8492570, 16985140]

約数ペア:

[(1, 16985140), (2, 8492570), (4, 4246285), (5, 3397028), (10, 1698514), (20, 849257), (173, 98180), (346, 49090), (692, 24545), (865, 19636), (1730, 9818), (3460, 4909)]