18416888

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1901}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 39713760

約数和(自身を除く): 21296872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 1901, 2422, 3802, 4844, 7604, 9688, 13307, 15208, 26614, 53228, 106456, 328873, 657746, 1315492, 2302111, 2630984, 4604222, 9208444, 18416888]

約数ペア:

[(1, 18416888), (2, 9208444), (4, 4604222), (7, 2630984), (8, 2302111), (14, 1315492), (28, 657746), (56, 328873), (173, 106456), (346, 53228), (692, 26614), (1211, 15208), (1384, 13307), (1901, 9688), (2422, 7604), (3802, 4844)]