19512140

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3137}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 41120352

約数和(自身を除く): 21608212

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 3137, 6220, 6274, 12548, 15685, 31370, 62740, 975607, 1951214, 3902428, 4878035, 9756070, 19512140]

約数ペア:

[(1, 19512140), (2, 9756070), (4, 4878035), (5, 3902428), (10, 1951214), (20, 975607), (311, 62740), (622, 31370), (1244, 15685), (1555, 12548), (3110, 6274), (3137, 6220)]