19911069

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 31920000

約数和(自身を除く): 12008931

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 703, 999, 1049, 2109, 3147, 6327, 9441, 18981, 19931, 28323, 38813, 59793, 116439, 179379, 349317, 538137, 737447, 1047951, 2212341, 6637023, 19911069]

約数ペア:

[(1, 19911069), (3, 6637023), (9, 2212341), (19, 1047951), (27, 737447), (37, 538137), (57, 349317), (111, 179379), (171, 116439), (333, 59793), (513, 38813), (703, 28323), (999, 19931), (1049, 18981), (2109, 9441), (3147, 6327)]