18293877

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2251}}^1$

素因数の和:2310

約数の個数: 32

約数和(自身を含む): 31708160

約数和(自身を除く): 13414283

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2251, 2709, 6753, 8127, 15757, 20259, 47271, 60777, 96793, 141813, 290379, 425439, 677551, 871137, 2032653, 2613411, 6097959, 18293877]

約数ペア:

[(1, 18293877), (3, 6097959), (7, 2613411), (9, 2032653), (21, 871137), (27, 677551), (43, 425439), (63, 290379), (129, 141813), (189, 96793), (301, 60777), (387, 47271), (903, 20259), (1161, 15757), (2251, 8127), (2709, 6753)]