19942153

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 26864640

約数和(自身を除く): 6922487

約数列:

[1, 7, 11, 19, 43, 77, 133, 209, 301, 317, 473, 817, 1463, 2219, 3311, 3487, 5719, 6023, 8987, 13631, 24409, 42161, 62909, 66253, 95417, 149941, 258989, 463771, 1049587, 1812923, 2848879, 19942153]

約数ペア:

[(1, 19942153), (7, 2848879), (11, 1812923), (19, 1049587), (43, 463771), (77, 258989), (133, 149941), (209, 95417), (301, 66253), (317, 62909), (473, 42161), (817, 24409), (1463, 13631), (2219, 8987), (3311, 6023), (3487, 5719)]