18859666

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70901}}^1$

素因数の和:70929

約数の個数: 16

約数和(自身を含む): 34032960

約数和(自身を除く): 15173294

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70901, 141802, 496307, 992614, 1347119, 2694238, 9429833, 18859666]

約数ペア:

[(1, 18859666), (2, 9429833), (7, 2694238), (14, 1347119), (19, 992614), (38, 496307), (133, 141802), (266, 70901)]