19782820

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5923}}^1$

素因数の和:6099

約数の個数: 24

約数和(自身を含む): 41799744

約数和(自身を除く): 22016924

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5923, 11846, 23692, 29615, 59230, 118460, 989141, 1978282, 3956564, 4945705, 9891410, 19782820]

約数ペア:

[(1, 19782820), (2, 9891410), (4, 4945705), (5, 3956564), (10, 1978282), (20, 989141), (167, 118460), (334, 59230), (668, 29615), (835, 23692), (1670, 11846), (3340, 5923)]