19470231

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:988

約数の個数: 36

約数和(自身を含む): 32574360

約数和(自身を除く): 13104129

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 941, 1089, 1881, 2299, 2823, 6897, 8469, 10351, 17879, 20691, 31053, 53637, 93159, 113861, 160911, 196669, 341583, 590007, 1024749, 1770021, 2163359, 6490077, 19470231]

約数ペア:

[(1, 19470231), (3, 6490077), (9, 2163359), (11, 1770021), (19, 1024749), (33, 590007), (57, 341583), (99, 196669), (121, 160911), (171, 113861), (209, 93159), (363, 53637), (627, 31053), (941, 20691), (1089, 17879), (1881, 10351), (2299, 8469), (2823, 6897)]