18780084

素因数分解:

$2^2\times 3^2\times {\mathrm{521669}}^1$

素因数の和:521679

約数の個数: 18

約数和(自身を含む): 47471970

約数和(自身を除く): 28691886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521669, 1043338, 1565007, 2086676, 3130014, 4695021, 6260028, 9390042, 18780084]

約数ペア:

[(1, 18780084), (2, 9390042), (3, 6260028), (4, 4695021), (6, 3130014), (9, 2086676), (12, 1565007), (18, 1043338), (36, 521669)]