19976372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20219}}^1$

素因数の和:20255

約数の個数: 24

約数和(自身を含む): 39631200

約数和(自身を除く): 19654828

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20219, 40438, 80876, 262847, 384161, 525694, 768322, 1051388, 1536644, 4994093, 9988186, 19976372]

約数ペア:

[(1, 19976372), (2, 9988186), (4, 4994093), (13, 1536644), (19, 1051388), (26, 768322), (38, 525694), (52, 384161), (76, 262847), (247, 80876), (494, 40438), (988, 20219)]