18237843

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1607}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 28680288

約数和(自身を除く): 10442445

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1607, 3783, 4821, 11349, 14463, 20891, 62673, 155879, 188019, 467637, 1402911, 2026427, 6079281, 18237843]

約数ペア:

[(1, 18237843), (3, 6079281), (9, 2026427), (13, 1402911), (39, 467637), (97, 188019), (117, 155879), (291, 62673), (873, 20891), (1261, 14463), (1607, 11349), (3783, 4821)]