19077905

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7079}}^1$

素因数の和:7109

約数の個数: 24

約数和(自身を含む): 29056320

約数和(自身を除く): 9978415

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7079, 35395, 49553, 77869, 247765, 346871, 389345, 545083, 1734355, 2725415, 3815581, 19077905]

約数ペア:

[(1, 19077905), (5, 3815581), (7, 2725415), (11, 1734355), (35, 545083), (49, 389345), (55, 346871), (77, 247765), (245, 77869), (385, 49553), (539, 35395), (2695, 7079)]