19535140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7691}}^1$

素因数の和:7827

約数の個数: 24

約数和(自身を含む): 41352192

約数和(自身を除く): 21817052

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7691, 15382, 30764, 38455, 76910, 153820, 976757, 1953514, 3907028, 4883785, 9767570, 19535140]

約数ペア:

[(1, 19535140), (2, 9767570), (4, 4883785), (5, 3907028), (10, 1953514), (20, 976757), (127, 153820), (254, 76910), (508, 38455), (635, 30764), (1270, 15382), (2540, 7691)]