19944674

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:649

約数の個数: 16

約数和(自身を含む): 30336768

約数和(自身を除く): 10392094

約数列:

[1, 2, 197, 223, 227, 394, 446, 454, 43931, 44719, 50621, 87862, 89438, 101242, 9972337, 19944674]

約数ペア:

[(1, 19944674), (2, 9972337), (197, 101242), (223, 89438), (227, 87862), (394, 50621), (446, 44719), (454, 43931)]