18608877

素因数分解:

$3^2\times 7^2\times {\mathrm{42197}}^1$

素因数の和:42217

約数の個数: 18

約数和(自身を含む): 31268718

約数和(自身を除く): 12659841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 42197, 126591, 295379, 379773, 886137, 2067653, 2658411, 6202959, 18608877]

約数ペア:

[(1, 18608877), (3, 6202959), (7, 2658411), (9, 2067653), (21, 886137), (49, 379773), (63, 295379), (147, 126591), (441, 42197)]