18932078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 13243282

約数列:

[1, 2, 11, 22, 41, 82, 139, 151, 278, 302, 451, 902, 1529, 1661, 3058, 3322, 5699, 6191, 11398, 12382, 20989, 41978, 62689, 68101, 125378, 136202, 230879, 461758, 860549, 1721098, 9466039, 18932078]

約数ペア:

[(1, 18932078), (2, 9466039), (11, 1721098), (22, 860549), (41, 461758), (82, 230879), (139, 136202), (151, 125378), (278, 68101), (302, 62689), (451, 41978), (902, 20989), (1529, 12382), (1661, 11398), (3058, 6191), (3322, 5699)]