18130168

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1231}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 20899592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1231, 1841, 2104, 2462, 3682, 4924, 7364, 8617, 9848, 14728, 17234, 34468, 68936, 323753, 647506, 1295012, 2266271, 2590024, 4532542, 9065084, 18130168]

約数ペア:

[(1, 18130168), (2, 9065084), (4, 4532542), (7, 2590024), (8, 2266271), (14, 1295012), (28, 647506), (56, 323753), (263, 68936), (526, 34468), (1052, 17234), (1231, 14728), (1841, 9848), (2104, 8617), (2462, 7364), (3682, 4924)]