18860336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1061}}^1$

素因数の和:1181

約数の個数: 40

約数和(自身を含む): 40296528

約数和(自身を除く): 21436192

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1061, 1111, 1616, 2122, 2222, 4244, 4444, 8488, 8888, 11671, 16976, 17776, 23342, 46684, 93368, 107161, 186736, 214322, 428644, 857288, 1178771, 1714576, 2357542, 4715084, 9430168, 18860336]

約数ペア:

[(1, 18860336), (2, 9430168), (4, 4715084), (8, 2357542), (11, 1714576), (16, 1178771), (22, 857288), (44, 428644), (88, 214322), (101, 186736), (176, 107161), (202, 93368), (404, 46684), (808, 23342), (1061, 17776), (1111, 16976), (1616, 11671), (2122, 8888), (2222, 8488), (4244, 4444)]