2019204003

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{977}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 2830159872

約数和(自身を除く): 810955869

約数列:

[1, 3, 31, 71, 93, 213, 313, 939, 977, 2201, 2931, 6603, 9703, 22223, 29109, 30287, 66669, 69367, 90861, 208101, 305801, 688913, 917403, 2066739, 2150377, 6451131, 9479831, 21711871, 28439493, 65135613, 673068001, 2019204003]

約数ペア:

[(1, 2019204003), (3, 673068001), (31, 65135613), (71, 28439493), (93, 21711871), (213, 9479831), (313, 6451131), (939, 2150377), (977, 2066739), (2201, 917403), (2931, 688913), (6603, 305801), (9703, 208101), (22223, 90861), (29109, 69367), (30287, 66669)]