16858180

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2693}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 35528472

約数和(自身を除く): 18670292

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2693, 3130, 5386, 6260, 10772, 13465, 26930, 53860, 842909, 1685818, 3371636, 4214545, 8429090, 16858180]

約数ペア:

[(1, 16858180), (2, 8429090), (4, 4214545), (5, 3371636), (10, 1685818), (20, 842909), (313, 53860), (626, 26930), (1252, 13465), (1565, 10772), (2693, 6260), (3130, 5386)]