19383411

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 9001869

約数列:

[1, 3, 23, 43, 47, 69, 129, 139, 141, 417, 989, 1081, 2021, 2967, 3197, 3243, 5977, 6063, 6533, 9591, 17931, 19599, 46483, 137471, 139449, 150259, 280919, 412413, 450777, 842757, 6461137, 19383411]

約数ペア:

[(1, 19383411), (3, 6461137), (23, 842757), (43, 450777), (47, 412413), (69, 280919), (129, 150259), (139, 139449), (141, 137471), (417, 46483), (989, 19599), (1081, 17931), (2021, 9591), (2967, 6533), (3197, 6063), (3243, 5977)]