19949882

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1049}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 30882600

約数和(自身を除く): 10932718

約数列:

[1, 2, 37, 74, 257, 514, 1049, 2098, 9509, 19018, 38813, 77626, 269593, 539186, 9974941, 19949882]

約数ペア:

[(1, 19949882), (2, 9974941), (37, 539186), (74, 269593), (257, 77626), (514, 38813), (1049, 19018), (2098, 9509)]