19656203

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 24678720

約数和(自身を除く): 5022517

約数列:

[1, 7, 19, 43, 49, 133, 301, 491, 817, 931, 2107, 3437, 5719, 9329, 21113, 24059, 40033, 65303, 147791, 401147, 457121, 1034537, 2808029, 19656203]

約数ペア:

[(1, 19656203), (7, 2808029), (19, 1034537), (43, 457121), (49, 401147), (133, 147791), (301, 65303), (491, 40033), (817, 24059), (931, 21113), (2107, 9329), (3437, 5719)]