19095428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18869}}^1$

素因数の和:18907

約数の個数: 24

約数和(自身を含む): 38041920

約数和(自身を除く): 18946492

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 18869, 37738, 75476, 207559, 415118, 433987, 830236, 867974, 1735948, 4773857, 9547714, 19095428]

約数ペア:

[(1, 19095428), (2, 9547714), (4, 4773857), (11, 1735948), (22, 867974), (23, 830236), (44, 433987), (46, 415118), (92, 207559), (253, 75476), (506, 37738), (1012, 18869)]