19589409

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2237}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 32585280

約数和(自身を除く): 12995871

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2237, 2919, 6711, 8757, 15659, 20133, 46977, 140931, 310943, 932829, 2176601, 2798487, 6529803, 19589409]

約数ペア:

[(1, 19589409), (3, 6529803), (7, 2798487), (9, 2176601), (21, 932829), (63, 310943), (139, 140931), (417, 46977), (973, 20133), (1251, 15659), (2237, 8757), (2919, 6711)]