18622377

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 27600768

約数和(自身を除く): 8978391

約数列:

[1, 3, 9, 71, 151, 193, 213, 453, 579, 639, 1359, 1737, 10721, 13703, 29143, 32163, 41109, 87429, 96489, 123327, 262287, 2069153, 6207459, 18622377]

約数ペア:

[(1, 18622377), (3, 6207459), (9, 2069153), (71, 262287), (151, 123327), (193, 96489), (213, 87429), (453, 41109), (579, 32163), (639, 29143), (1359, 13703), (1737, 10721)]