2011895090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{19181}}^1$

素因数の和:19822

約数の個数: 32

約数和(自身を含む): 3840850224

約数和(自身を除く): 1828955134

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 617, 1234, 3085, 6170, 10489, 19181, 20978, 38362, 52445, 95905, 104890, 191810, 326077, 652154, 1630385, 3260770, 11834677, 23669354, 59173385, 118346770, 201189509, 402379018, 1005947545, 2011895090]

約数ペア:

[(1, 2011895090), (2, 1005947545), (5, 402379018), (10, 201189509), (17, 118346770), (34, 59173385), (85, 23669354), (170, 11834677), (617, 3260770), (1234, 1630385), (3085, 652154), (6170, 326077), (10489, 191810), (19181, 104890), (20978, 95905), (38362, 52445)]