19313660

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2767}}^1$

素因数の和:3125

約数の個数: 24

約数和(自身を含む): 40689600

約数和(自身を除く): 21375940

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 2767, 3490, 5534, 6980, 11068, 13835, 27670, 55340, 965683, 1931366, 3862732, 4828415, 9656830, 19313660]

約数ペア:

[(1, 19313660), (2, 9656830), (4, 4828415), (5, 3862732), (10, 1931366), (20, 965683), (349, 55340), (698, 27670), (1396, 13835), (1745, 11068), (2767, 6980), (3490, 5534)]