18823329

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{587}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 31187520

約数和(自身を除く): 12364191

約数列:

[1, 3, 7, 9, 21, 63, 509, 587, 1527, 1761, 3563, 4109, 4581, 5283, 10689, 12327, 32067, 36981, 298783, 896349, 2091481, 2689047, 6274443, 18823329]

約数ペア:

[(1, 18823329), (3, 6274443), (7, 2689047), (9, 2091481), (21, 896349), (63, 298783), (509, 36981), (587, 32067), (1527, 12327), (1761, 10689), (3563, 5283), (4109, 4581)]