19155160

素因数分解:

$2^3\times 5^1\times {\mathrm{478879}}^1$

素因数の和:478890

約数の個数: 16

約数和(自身を含む): 43099200

約数和(自身を除く): 23944040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478879, 957758, 1915516, 2394395, 3831032, 4788790, 9577580, 19155160]

約数ペア:

[(1, 19155160), (2, 9577580), (4, 4788790), (5, 3831032), (8, 2394395), (10, 1915516), (20, 957758), (40, 478879)]