19937870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17386930

約数列:

[1, 2, 5, 10, 47, 59, 94, 118, 235, 295, 470, 590, 719, 1438, 2773, 3595, 5546, 7190, 13865, 27730, 33793, 42421, 67586, 84842, 168965, 212105, 337930, 424210, 1993787, 3987574, 9968935, 19937870]

約数ペア:

[(1, 19937870), (2, 9968935), (5, 3987574), (10, 1993787), (47, 424210), (59, 337930), (94, 212105), (118, 168965), (235, 84842), (295, 67586), (470, 42421), (590, 33793), (719, 27730), (1438, 13865), (2773, 7190), (3595, 5546)]