19517304121

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{1129}}^1\times {\mathrm{20753}}^1$

素因数の和:21913

約数の個数: 24

約数和(自身を含む): 24061772520

約数和(自身を除く): 4544468399

約数列:

[1, 7, 17, 49, 119, 833, 1129, 7903, 19193, 20753, 55321, 134351, 145271, 352801, 940457, 1016897, 2469607, 17287249, 23430137, 164010959, 398312329, 1148076713, 2788186303, 19517304121]

約数ペア:

[(1, 19517304121), (7, 2788186303), (17, 1148076713), (49, 398312329), (119, 164010959), (833, 23430137), (1129, 17287249), (7903, 2469607), (19193, 1016897), (20753, 940457), (55321, 352801), (134351, 145271)]