18995368

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2081}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 40973760

約数和(自身を除く): 21978392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2081, 2282, 4162, 4564, 8324, 9128, 14567, 16648, 29134, 58268, 116536, 339203, 678406, 1356812, 2374421, 2713624, 4748842, 9497684, 18995368]

約数ペア:

[(1, 18995368), (2, 9497684), (4, 4748842), (7, 2713624), (8, 2374421), (14, 1356812), (28, 678406), (56, 339203), (163, 116536), (326, 58268), (652, 29134), (1141, 16648), (1304, 14567), (2081, 9128), (2282, 8324), (4162, 4564)]