18876507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1123}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 27191808

約数和(自身を除く): 8315301

約数列:

[1, 3, 13, 39, 431, 1123, 1293, 3369, 5603, 14599, 16809, 43797, 484013, 1452039, 6292169, 18876507]

約数ペア:

[(1, 18876507), (3, 6292169), (13, 1452039), (39, 484013), (431, 43797), (1123, 16809), (1293, 14599), (3369, 5603)]