19321869

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12959}}^1$

素因数の和:13040

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 10537971

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12959, 38877, 90713, 272139, 920089, 2760267, 6440623, 19321869]

約数ペア:

[(1, 19321869), (3, 6440623), (7, 2760267), (21, 920089), (71, 272139), (213, 90713), (497, 38877), (1491, 12959)]