19818738

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7013}}^1$

素因数の和:7178

約数の個数: 24

約数和(自身を含む): 43220268

約数和(自身を除く): 23401530

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7013, 14026, 21039, 42078, 63117, 126234, 1101041, 2202082, 3303123, 6606246, 9909369, 19818738]

約数ペア:

[(1, 19818738), (2, 9909369), (3, 6606246), (6, 3303123), (9, 2202082), (18, 1101041), (157, 126234), (314, 63117), (471, 42078), (942, 21039), (1413, 14026), (2826, 7013)]