18761253

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12583}}^1$

素因数の和:12664

約数の個数: 16

約数和(自身を含む): 28993536

約数和(自身を除く): 10232283

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12583, 37749, 88081, 264243, 893393, 2680179, 6253751, 18761253]

約数ペア:

[(1, 18761253), (3, 6253751), (7, 2680179), (21, 893393), (71, 264243), (213, 88081), (497, 37749), (1491, 12583)]