19139289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 30213120

約数和(自身を除く): 11073831

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1123, 1311, 3369, 5681, 14599, 17043, 21337, 25829, 43797, 64011, 77487, 277381, 335777, 490751, 832143, 1007331, 1472253, 6379763, 19139289]

約数ペア:

[(1, 19139289), (3, 6379763), (13, 1472253), (19, 1007331), (23, 832143), (39, 490751), (57, 335777), (69, 277381), (247, 77487), (299, 64011), (437, 43797), (741, 25829), (897, 21337), (1123, 17043), (1311, 14599), (3369, 5681)]