18729903

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1429}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 26563680

約数和(自身を除く): 7833777

約数列:

[1, 3, 17, 51, 257, 771, 1429, 4287, 4369, 13107, 24293, 72879, 367253, 1101759, 6243301, 18729903]

約数ペア:

[(1, 18729903), (3, 6243301), (17, 1101759), (51, 367253), (257, 72879), (771, 24293), (1429, 13107), (4287, 4369)]