19385774

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:787

約数の個数: 16

約数和(自身を含む): 29559600

約数和(自身を除く): 10173826

約数列:

[1, 2, 137, 139, 274, 278, 509, 1018, 19043, 38086, 69733, 70751, 139466, 141502, 9692887, 19385774]

約数ペア:

[(1, 19385774), (2, 9692887), (137, 141502), (139, 139466), (274, 70751), (278, 69733), (509, 38086), (1018, 19043)]