19687930

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 35978076

約数和(自身を除く): 16290146

約数列:

[1, 2, 5, 10, 101, 193, 202, 386, 505, 965, 1010, 1930, 10201, 19493, 20402, 38986, 51005, 97465, 102010, 194930, 1968793, 3937586, 9843965, 19687930]

約数ペア:

[(1, 19687930), (2, 9843965), (5, 3937586), (10, 1968793), (101, 194930), (193, 102010), (202, 97465), (386, 51005), (505, 38986), (965, 20402), (1010, 19493), (1930, 10201)]