18232389

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1153}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 30244032

約数和(自身を除く): 12011643

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1153, 1757, 2259, 3459, 5271, 8071, 10377, 15813, 24213, 72639, 289403, 868209, 2025821, 2604627, 6077463, 18232389]

約数ペア:

[(1, 18232389), (3, 6077463), (7, 2604627), (9, 2025821), (21, 868209), (63, 289403), (251, 72639), (753, 24213), (1153, 15813), (1757, 10377), (2259, 8071), (3459, 5271)]