19816065

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2087}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 34527168

約数和(自身を除く): 14711103

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2087, 3165, 6261, 9495, 10435, 18783, 31305, 93915, 440357, 1321071, 2201785, 3963213, 6605355, 19816065]

約数ペア:

[(1, 19816065), (3, 6605355), (5, 3963213), (9, 2201785), (15, 1321071), (45, 440357), (211, 93915), (633, 31305), (1055, 18783), (1899, 10435), (2087, 9495), (3165, 6261)]