19171593

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 33908160

約数和(自身を除く): 14736567

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 337, 387, 441, 903, 1011, 1161, 1323, 2107, 2359, 2709, 3033, 6321, 7077, 8127, 9099, 14491, 16513, 18963, 21231, 43473, 49539, 56889, 63693, 101437, 130419, 148617, 304311, 391257, 445851, 710059, 912933, 2130177, 2738799, 6390531, 19171593]

約数ペア:

[(1, 19171593), (3, 6390531), (7, 2738799), (9, 2130177), (21, 912933), (27, 710059), (43, 445851), (49, 391257), (63, 304311), (129, 148617), (147, 130419), (189, 101437), (301, 63693), (337, 56889), (387, 49539), (441, 43473), (903, 21231), (1011, 18963), (1161, 16513), (1323, 14491), (2107, 9099), (2359, 8127), (2709, 7077), (3033, 6321)]