19190452

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 34528032

約数和(自身を除く): 15337580

約数列:

[1, 2, 4, 53, 106, 131, 212, 262, 524, 691, 1382, 2764, 6943, 13886, 27772, 36623, 73246, 90521, 146492, 181042, 362084, 4797613, 9595226, 19190452]

約数ペア:

[(1, 19190452), (2, 9595226), (4, 4797613), (53, 362084), (106, 181042), (131, 146492), (212, 90521), (262, 73246), (524, 36623), (691, 27772), (1382, 13886), (2764, 6943)]