19680633

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8443}}^1$

素因数の和:8493

約数の個数: 24

約数和(自身を含む): 33370688

約数和(自身を除く): 13690055

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8443, 25329, 59101, 75987, 177303, 312391, 531909, 937173, 2186737, 2811519, 6560211, 19680633]

約数ペア:

[(1, 19680633), (3, 6560211), (7, 2811519), (9, 2186737), (21, 937173), (37, 531909), (63, 312391), (111, 177303), (259, 75987), (333, 59101), (777, 25329), (2331, 8443)]