18740889

素因数分解:

$3^5\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 28278432

約数和(自身を除く): 9537543

約数列:

[1, 3, 9, 27, 81, 233, 243, 331, 699, 993, 2097, 2979, 6291, 8937, 18873, 26811, 56619, 77123, 80433, 231369, 694107, 2082321, 6246963, 18740889]

約数ペア:

[(1, 18740889), (3, 6246963), (9, 2082321), (27, 694107), (81, 231369), (233, 80433), (243, 77123), (331, 56619), (699, 26811), (993, 18873), (2097, 8937), (2979, 6291)]