19851740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7577}}^1$

素因数の和:7717

約数の個数: 24

約数和(自身を含む): 42012432

約数和(自身を除く): 22160692

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7577, 15154, 30308, 37885, 75770, 151540, 992587, 1985174, 3970348, 4962935, 9925870, 19851740]

約数ペア:

[(1, 19851740), (2, 9925870), (4, 4962935), (5, 3970348), (10, 1985174), (20, 992587), (131, 151540), (262, 75770), (524, 37885), (655, 30308), (1310, 15154), (2620, 7577)]