18947005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 29341440

約数和(自身を除く): 10394435

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 1697, 2233, 8485, 11165, 11879, 18667, 49213, 59395, 93335, 130669, 246065, 344491, 541343, 653345, 1722455, 2706715, 3789401, 18947005]

約数ペア:

[(1, 18947005), (5, 3789401), (7, 2706715), (11, 1722455), (29, 653345), (35, 541343), (55, 344491), (77, 246065), (145, 130669), (203, 93335), (319, 59395), (385, 49213), (1015, 18667), (1595, 11879), (1697, 11165), (2233, 8485)]