19926207

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1499}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 33072000

約数和(自身を除く): 13145793

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1499, 1899, 4431, 4497, 10493, 13293, 13491, 31479, 94437, 316289, 948867, 2214023, 2846601, 6642069, 19926207]

約数ペア:

[(1, 19926207), (3, 6642069), (7, 2846601), (9, 2214023), (21, 948867), (63, 316289), (211, 94437), (633, 31479), (1477, 13491), (1499, 13293), (1899, 10493), (4431, 4497)]