19646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:79

約数の個数: 16

約数和(自身を含む): 34560

約数和(自身を除く): 14914

約数列:

[1, 2, 11, 19, 22, 38, 47, 94, 209, 418, 517, 893, 1034, 1786, 9823, 19646]

約数ペア:

[(1, 19646), (2, 9823), (11, 1786), (19, 1034), (22, 893), (38, 517), (47, 418), (94, 209)]