18999069

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 27322272

約数和(自身を除く): 8323203

約数列:

[1, 3, 19, 53, 57, 159, 331, 361, 993, 1007, 1083, 3021, 6289, 17543, 18867, 19133, 52629, 57399, 119491, 333317, 358473, 999951, 6333023, 18999069]

約数ペア:

[(1, 18999069), (3, 6333023), (19, 999951), (53, 358473), (57, 333317), (159, 119491), (331, 57399), (361, 52629), (993, 19133), (1007, 18867), (1083, 17543), (3021, 6289)]