19650393

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2381}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 32700096

約数和(自身を除く): 13049703

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2381, 2751, 7143, 8253, 16667, 21429, 50001, 150003, 311911, 935733, 2183377, 2807199, 6550131, 19650393]

約数ペア:

[(1, 19650393), (3, 6550131), (7, 2807199), (9, 2183377), (21, 935733), (63, 311911), (131, 150003), (393, 50001), (917, 21429), (1179, 16667), (2381, 8253), (2751, 7143)]