18751707

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{547}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 29322384

約数和(自身を除く): 10570677

約数列:

[1, 3, 9, 13, 39, 117, 293, 547, 879, 1641, 2637, 3809, 4923, 7111, 11427, 21333, 34281, 63999, 160271, 480813, 1442439, 2083523, 6250569, 18751707]

約数ペア:

[(1, 18751707), (3, 6250569), (9, 2083523), (13, 1442439), (39, 480813), (117, 160271), (293, 63999), (547, 34281), (879, 21333), (1641, 11427), (2637, 7111), (3809, 4923)]