18004959

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1259}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 11872161

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1259, 1589, 2043, 3777, 4767, 8813, 11331, 14301, 26439, 79317, 285793, 857379, 2000551, 2572137, 6001653, 18004959]

約数ペア:

[(1, 18004959), (3, 6001653), (7, 2572137), (9, 2000551), (21, 857379), (63, 285793), (227, 79317), (681, 26439), (1259, 14301), (1589, 11331), (2043, 8813), (3777, 4767)]