19403060

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7639}}^1$

素因数の和:7775

約数の個数: 24

約数和(自身を含む): 41072640

約数和(自身を除く): 21669580

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7639, 15278, 30556, 38195, 76390, 152780, 970153, 1940306, 3880612, 4850765, 9701530, 19403060]

約数ペア:

[(1, 19403060), (2, 9701530), (4, 4850765), (5, 3880612), (10, 1940306), (20, 970153), (127, 152780), (254, 76390), (508, 38195), (635, 30556), (1270, 15278), (2540, 7639)]