19500272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 41662512

約数和(自身を除く): 22162240

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1097, 1111, 1616, 2194, 2222, 4388, 4444, 8776, 8888, 12067, 17552, 17776, 24134, 48268, 96536, 110797, 193072, 221594, 443188, 886376, 1218767, 1772752, 2437534, 4875068, 9750136, 19500272]

約数ペア:

[(1, 19500272), (2, 9750136), (4, 4875068), (8, 2437534), (11, 1772752), (16, 1218767), (22, 886376), (44, 443188), (88, 221594), (101, 193072), (176, 110797), (202, 96536), (404, 48268), (808, 24134), (1097, 17776), (1111, 17552), (1616, 12067), (2194, 8888), (2222, 8776), (4388, 4444)]