19703988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{28807}}^1$

素因数の和:28836

約数の個数: 36

約数和(自身を含む): 52430560

約数和(自身を除く): 32726572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 28807, 57614, 86421, 115228, 172842, 259263, 345684, 518526, 547333, 1037052, 1094666, 1641999, 2189332, 3283998, 4925997, 6567996, 9851994, 19703988]

約数ペア:

[(1, 19703988), (2, 9851994), (3, 6567996), (4, 4925997), (6, 3283998), (9, 2189332), (12, 1641999), (18, 1094666), (19, 1037052), (36, 547333), (38, 518526), (57, 345684), (76, 259263), (114, 172842), (171, 115228), (228, 86421), (342, 57614), (684, 28807)]