15905660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2203}}^1$

素因数の和:2250

約数の個数: 36

約数和(自身を含む): 35268408

約数和(自身を除く): 19362748

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2203, 3610, 4406, 7220, 8812, 11015, 22030, 41857, 44060, 83714, 167428, 209285, 418570, 795283, 837140, 1590566, 3181132, 3976415, 7952830, 15905660]

約数ペア:

[(1, 15905660), (2, 7952830), (4, 3976415), (5, 3181132), (10, 1590566), (19, 837140), (20, 795283), (38, 418570), (76, 209285), (95, 167428), (190, 83714), (361, 44060), (380, 41857), (722, 22030), (1444, 11015), (1805, 8812), (2203, 7220), (3610, 4406)]