17918768

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1305

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 22078672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1151, 1946, 2224, 2302, 3892, 4604, 7784, 8057, 9208, 15568, 16114, 18416, 32228, 64456, 128912, 159989, 319978, 639956, 1119923, 1279912, 2239846, 2559824, 4479692, 8959384, 17918768]

約数ペア:

[(1, 17918768), (2, 8959384), (4, 4479692), (7, 2559824), (8, 2239846), (14, 1279912), (16, 1119923), (28, 639956), (56, 319978), (112, 159989), (139, 128912), (278, 64456), (556, 32228), (973, 18416), (1112, 16114), (1151, 15568), (1946, 9208), (2224, 8057), (2302, 7784), (3892, 4604)]