19143880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68371}}^1$

素因数の和:68389

約数の個数: 32

約数和(自身を含む): 49227840

約数和(自身を除く): 30083960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68371, 136742, 273484, 341855, 478597, 546968, 683710, 957194, 1367420, 1914388, 2392985, 2734840, 3828776, 4785970, 9571940, 19143880]

約数ペア:

[(1, 19143880), (2, 9571940), (4, 4785970), (5, 3828776), (7, 2734840), (8, 2392985), (10, 1914388), (14, 1367420), (20, 957194), (28, 683710), (35, 546968), (40, 478597), (56, 341855), (70, 273484), (140, 136742), (280, 68371)]