19158800

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:456

約数の個数: 60

約数和(自身を含む): 46450896

約数和(自身を除く): 27292096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 227, 400, 422, 454, 844, 908, 1055, 1135, 1688, 1816, 2110, 2270, 3376, 3632, 4220, 4540, 5275, 5675, 8440, 9080, 10550, 11350, 16880, 18160, 21100, 22700, 42200, 45400, 47897, 84400, 90800, 95794, 191588, 239485, 383176, 478970, 766352, 957940, 1197425, 1915880, 2394850, 3831760, 4789700, 9579400, 19158800]

約数ペア:

[(1, 19158800), (2, 9579400), (4, 4789700), (5, 3831760), (8, 2394850), (10, 1915880), (16, 1197425), (20, 957940), (25, 766352), (40, 478970), (50, 383176), (80, 239485), (100, 191588), (200, 95794), (211, 90800), (227, 84400), (400, 47897), (422, 45400), (454, 42200), (844, 22700), (908, 21100), (1055, 18160), (1135, 16880), (1688, 11350), (1816, 10550), (2110, 9080), (2270, 8440), (3376, 5675), (3632, 5275), (4220, 4540)]