19459060

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2129}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 40972680

約数和(自身を除く): 21513620

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2129, 2285, 4258, 4570, 8516, 9140, 10645, 21290, 42580, 972953, 1945906, 3891812, 4864765, 9729530, 19459060]

約数ペア:

[(1, 19459060), (2, 9729530), (4, 4864765), (5, 3891812), (10, 1945906), (20, 972953), (457, 42580), (914, 21290), (1828, 10645), (2129, 9140), (2285, 8516), (4258, 4570)]