20189894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1\times {\mathrm{887}}^1$

素因数の和:1507

約数の個数: 16

約数和(自身を含む): 31968000

約数和(自身を除く): 11778106

約数列:

[1, 2, 19, 38, 599, 887, 1198, 1774, 11381, 16853, 22762, 33706, 531313, 1062626, 10094947, 20189894]

約数ペア:

[(1, 20189894), (2, 10094947), (19, 1062626), (38, 531313), (599, 33706), (887, 22762), (1198, 16853), (1774, 11381)]