18781059

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12109}}^1$

素因数の和:12170

約数の個数: 16

約数和(自身を含む): 27901440

約数和(自身を除く): 9120381

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12109, 36327, 133199, 399597, 569123, 1707369, 6260353, 18781059]

約数ペア:

[(1, 18781059), (3, 6260353), (11, 1707369), (33, 569123), (47, 399597), (141, 133199), (517, 36327), (1551, 12109)]