15981774

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{140191}}^1$

素因数の和:140215

約数の個数: 16

約数和(自身を含む): 33646080

約数和(自身を除く): 17664306

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 140191, 280382, 420573, 841146, 2663629, 5327258, 7990887, 15981774]

約数ペア:

[(1, 15981774), (2, 7990887), (3, 5327258), (6, 2663629), (19, 841146), (38, 420573), (57, 280382), (114, 140191)]