19450840

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2087}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 43973280

約数和(自身を除く): 24522440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2087, 2330, 4174, 4660, 8348, 9320, 10435, 16696, 20870, 41740, 83480, 486271, 972542, 1945084, 2431355, 3890168, 4862710, 9725420, 19450840]

約数ペア:

[(1, 19450840), (2, 9725420), (4, 4862710), (5, 3890168), (8, 2431355), (10, 1945084), (20, 972542), (40, 486271), (233, 83480), (466, 41740), (932, 20870), (1165, 16696), (1864, 10435), (2087, 9320), (2330, 8348), (4174, 4660)]