19429333

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 25927020

約数和(自身を除く): 6497687

約数列:

[1, 7, 11, 29, 49, 77, 113, 121, 203, 319, 539, 791, 847, 1243, 1421, 2233, 3277, 3509, 5537, 5929, 8701, 13673, 15631, 22939, 24563, 36047, 60907, 95711, 160573, 171941, 252329, 396517, 669977, 1766303, 2775619, 19429333]

約数ペア:

[(1, 19429333), (7, 2775619), (11, 1766303), (29, 669977), (49, 396517), (77, 252329), (113, 171941), (121, 160573), (203, 95711), (319, 60907), (539, 36047), (791, 24563), (847, 22939), (1243, 15631), (1421, 13673), (2233, 8701), (3277, 5929), (3509, 5537)]