19760349

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 31313920

約数和(自身を除く): 11553571

約数列:

[1, 3, 7, 21, 43, 79, 129, 237, 277, 301, 553, 831, 903, 1659, 1939, 3397, 5817, 10191, 11911, 21883, 23779, 35733, 65649, 71337, 83377, 153181, 250131, 459543, 940969, 2822907, 6586783, 19760349]

約数ペア:

[(1, 19760349), (3, 6586783), (7, 2822907), (21, 940969), (43, 459543), (79, 250131), (129, 153181), (237, 83377), (277, 71337), (301, 65649), (553, 35733), (831, 23779), (903, 21883), (1659, 11911), (1939, 10191), (3397, 5817)]