19661181

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9369219

約数列:

[1, 3, 19, 41, 47, 57, 123, 141, 179, 537, 779, 893, 1927, 2337, 2679, 3401, 5781, 7339, 8413, 10203, 22017, 25239, 36613, 109839, 139441, 159847, 344933, 418323, 479541, 1034799, 6553727, 19661181]

約数ペア:

[(1, 19661181), (3, 6553727), (19, 1034799), (41, 479541), (47, 418323), (57, 344933), (123, 159847), (141, 139441), (179, 109839), (537, 36613), (779, 25239), (893, 22017), (1927, 10203), (2337, 8413), (2679, 7339), (3401, 5781)]