19312081904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38935649}}^1$

素因数の和:38935688

約数の個数: 20

約数和(自身を含む): 38624164800

約数和(自身を除く): 19312082896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38935649, 77871298, 155742596, 311485192, 622970384, 1207005119, 2414010238, 4828020476, 9656040952, 19312081904]

約数ペア:

[(1, 19312081904), (2, 9656040952), (4, 4828020476), (8, 2414010238), (16, 1207005119), (31, 622970384), (62, 311485192), (124, 155742596), (248, 77871298), (496, 38935649)]