19807766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47387}}^1$

素因数の和:47419

約数の個数: 16

約数和(自身を含む): 34119360

約数和(自身を除く): 14311594

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47387, 94774, 521257, 900353, 1042514, 1800706, 9903883, 19807766]

約数ペア:

[(1, 19807766), (2, 9903883), (11, 1800706), (19, 1042514), (22, 900353), (38, 521257), (209, 94774), (418, 47387)]