19820409

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14087}}^1$

素因数の和:14164

約数の個数: 16

約数和(自身を含む): 30655488

約数和(自身を除く): 10835079

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14087, 42261, 98609, 295827, 943829, 2831487, 6606803, 19820409]

約数ペア:

[(1, 19820409), (3, 6606803), (7, 2831487), (21, 943829), (67, 295827), (201, 98609), (469, 42261), (1407, 14087)]