19763359

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 25952256

約数和(自身を除く): 6188897

約数列:

[1, 7, 11, 43, 47, 77, 127, 301, 329, 473, 517, 889, 1397, 2021, 3311, 3619, 5461, 5969, 9779, 14147, 22231, 38227, 41783, 60071, 65659, 155617, 256667, 420497, 459613, 1796669, 2823337, 19763359]

約数ペア:

[(1, 19763359), (7, 2823337), (11, 1796669), (43, 459613), (47, 420497), (77, 256667), (127, 155617), (301, 65659), (329, 60071), (473, 41783), (517, 38227), (889, 22231), (1397, 14147), (2021, 9779), (3311, 5969), (3619, 5461)]