19444820

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4283}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 41023584

約数和(自身を除く): 21578764

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4283, 4540, 8566, 17132, 21415, 42830, 85660, 972241, 1944482, 3888964, 4861205, 9722410, 19444820]

約数ペア:

[(1, 19444820), (2, 9722410), (4, 4861205), (5, 3888964), (10, 1944482), (20, 972241), (227, 85660), (454, 42830), (908, 21415), (1135, 17132), (2270, 8566), (4283, 4540)]