19511860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51347}}^1$

素因数の和:51375

約数の個数: 24

約数和(自身を含む): 43132320

約数和(自身を除く): 23620460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51347, 102694, 205388, 256735, 513470, 975593, 1026940, 1951186, 3902372, 4877965, 9755930, 19511860]

約数ペア:

[(1, 19511860), (2, 9755930), (4, 4877965), (5, 3902372), (10, 1951186), (19, 1026940), (20, 975593), (38, 513470), (76, 256735), (95, 205388), (190, 102694), (380, 51347)]