18534663

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 32064032

約数和(自身を除く): 13529369

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 337, 567, 679, 873, 1011, 2037, 2359, 2619, 3033, 6111, 7077, 7857, 9099, 18333, 21231, 27297, 32689, 54999, 63693, 98067, 191079, 228823, 294201, 686469, 882603, 2059407, 2647809, 6178221, 18534663]

約数ペア:

[(1, 18534663), (3, 6178221), (7, 2647809), (9, 2059407), (21, 882603), (27, 686469), (63, 294201), (81, 228823), (97, 191079), (189, 98067), (291, 63693), (337, 54999), (567, 32689), (679, 27297), (873, 21231), (1011, 18333), (2037, 9099), (2359, 7857), (2619, 7077), (3033, 6111)]