19518909

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 27980640

約数和(自身を除く): 8461731

約数列:

[1, 3, 19, 57, 67, 201, 269, 361, 807, 1083, 1273, 3819, 5111, 15333, 18023, 24187, 54069, 72561, 97109, 291327, 342437, 1027311, 6506303, 19518909]

約数ペア:

[(1, 19518909), (3, 6506303), (19, 1027311), (57, 342437), (67, 291327), (201, 97109), (269, 72561), (361, 54069), (807, 24187), (1083, 18023), (1273, 15333), (3819, 5111)]